Ich habe versucht, mich mit einem Einladungscode zu registrieren, und schließlich bekam ich einen Internal Server Error 
Mit folgendem Fehler in /logs

Info
ActiveRecord::NotNullViolation (PG::NotNullViolation: ERROR: null value in column "encrypt_pms_default" of relation "user_options" violates not-null constraint
DETAIL: Failing row contains (5333, f, t, t, t, f, t, 10080, 300000, 2880, null, 2, f, 1, 1, f, 2, 0, t, null, {}, f, 0, 0, 1, 0, 0, f, null, f, null, f, null, 0, null, t, null, null, null, null, 3, null, 1, f, null, 0, null).
)
app/models/user.rb:1734:in `create_user_option'
app/models/invite_redeemer.rb:142:in `create_user_from_invite'
app/models/invite_redeemer.rb:208:in `invited_user'
app/models/invite_redeemer.rb:260:in `add_user_to_groups'
app/models/invite_redeemer.rb:226:in `process_invitation'
app/models/invite_redeemer.rb:55:in `block in redeem'
app/models/invite_redeemer.rb:53:in `redeem'
app/models/invite.rb:227:in `redeem'
app/controllers/invites_controller.rb:227:in `perform_accept_invitation'
app/controllers/application_controller.rb:413:in `block in with_resolved_locale'
app/controllers/application_controller.rb:413:in `with_resolved_locale'
lib/middleware/omniauth_bypass_middleware.rb:71:in `call'
lib/content_security_policy/middleware.rb:12:in `call'
lib/middleware/anonymous_cache.rb:368:in `call'
config/initializers/008-rack-cors.rb:25:in `call'
config/initializers/100-quiet_logger.rb:23:in `call'
config/initializers/100-silence_logger.rb:31:in `call'
lib/middleware/enforce_hostname.rb:23:in `call'
lib/middleware/request_tracker.rb:202:in `call'
Backtrace
rack-mini-profiler (3.0.0) lib/patches/db/pg.rb:69:in `exec_params'
rack-mini-profiler (3.0.0) lib/patches/db/pg.rb:69:in `exec_params'
activerecord (7.0.3.1) lib/active_record/connection_adapters/postgresql_adapter.rb:768:in `block (2 levels) in exec_no_cache'
activesupport (7.0.3.1) lib/active_support/concurrency/share_lock.rb:187:in `yield_shares'
activesupport (7.0.3.1) lib/active_support/dependencies/interlock.rb:41:in `permit_concurrent_loads'
activerecord (7.0.3.1) lib/active_record/connection_adapters/postgresql_adapter.rb:767:in `block in exec_no_cache'
activesupport (7.0.3.1) lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt'
activesupport (7.0.3.1) lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize'
activesupport (7.0.3.1) lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt'
activesupport (7.0.3.1) lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize'
activerecord (7.0.3.1) lib/active_record/connection_adapters/abstract_adapter.rb:765:in `block in log'
activesupport (7.0.3.1) lib/active_support/notifications/instrumenter.rb:24:in `instrument'
activerecord (7.0.3.1) lib/active_record/connection_adapters/abstract_adapter.rb:756:in `log'
activerecord (7.0.3.1) lib/active_record/connection_adapters/postgresql_adapter.rb:766:in `exec_no_cache'
activerecord (7.0.3.1) lib/active_record/connection_adapters/postgresql_adapter.rb:745:in `execute_and_clear'
activerecord (7.0.3.1) lib/active_record/connection_adapters/postgresql/database_statements.rb:54:in `exec_query'
activerecord (7.0.3.1) lib/active_record/connection_adapters/abstract/database_statements.rb:132:in `exec_insert'
activerecord (7.0.3.1) lib/active_record/connection_adapters/postgresql/database_statements.rb:92:in `exec_insert'
activerecord (7.0.3.1) lib/active_record/connection_adapters/abstract/database_statements.rb:167:in `insert'
activerecord (7.0.3.1) lib/active_record/connection_adapters/abstract/query_cache.rb:22:in `insert'
activerecord (7.0.3.1) lib/active_record/persistence.rb:496:in `_insert_record'
activerecord (7.0.3.1) lib/active_record/persistence.rb:1096:in `_create_record'
activerecord (7.0.3.1) lib/active_record/counter_cache.rb:166:in `_create_record'
activerecord (7.0.3.1) lib/active_record/locking/optimistic.rb:79:in `_create_record'
activerecord (7.0.3.1) lib/active_record/attribute_methods/dirty.rb:222:in `_create_record'
activerecord (7.0.3.1) lib/active_record/callbacks.rb:461:in `block in _create_record'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:107:in `run_callbacks'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:929:in `_run_create_callbacks'
activerecord (7.0.3.1) lib/active_record/callbacks.rb:461:in `_create_record'
activerecord (7.0.3.1) lib/active_record/timestamp.rb:108:in `_create_record'
activerecord (7.0.3.1) lib/active_record/persistence.rb:1067:in `create_or_update'
activerecord (7.0.3.1) lib/active_record/callbacks.rb:457:in `block in create_or_update'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:107:in `run_callbacks'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:929:in `_run_save_callbacks'
activerecord (7.0.3.1) lib/active_record/callbacks.rb:457:in `create_or_update'
activerecord (7.0.3.1) lib/active_record/timestamp.rb:126:in `create_or_update'
activerecord (7.0.3.1) lib/active_record/persistence.rb:648:in `save!'
activerecord (7.0.3.1) lib/active_record/validations.rb:53:in `save!'
activerecord (7.0.3.1) lib/active_record/transactions.rb:302:in `block in save!'
activerecord (7.0.3.1) lib/active_record/transactions.rb:354:in `block in with_transaction_returning_status'
activerecord (7.0.3.1) lib/active_record/connection_adapters/abstract/database_statements.rb:314:in `transaction'
activerecord (7.0.3.1) lib/active_record/transactions.rb:350:in `with_transaction_returning_status'
activerecord (7.0.3.1) lib/active_record/transactions.rb:302:in `save!'
activerecord (7.0.3.1) lib/active_record/suppressor.rb:54:in `save!'
activerecord (7.0.3.1) lib/active_record/persistence.rb:55:in `create!'
app/models/user.rb:1734:in `create_user_option'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:400:in `block in make_lambda'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:236:in `block in halting_and_conditional'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:599:in `block in invoke_after'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:599:in `each'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:599:in `invoke_after'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:108:in `run_callbacks'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:929:in `_run_create_callbacks'
activerecord (7.0.3.1) lib/active_record/callbacks.rb:461:in `_create_record'
activerecord (7.0.3.1) lib/active_record/timestamp.rb:108:in `_create_record'
activerecord (7.0.3.1) lib/active_record/persistence.rb:1067:in `create_or_update'
activerecord (7.0.3.1) lib/active_record/callbacks.rb:457:in `block in create_or_update'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:118:in `block in run_callbacks'
activerecord (7.0.3.1) lib/active_record/autosave_association.rb:370:in `around_save_collection_association'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:127:in `block in run_callbacks'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:138:in `run_callbacks'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:929:in `_run_save_callbacks'
activerecord (7.0.3.1) lib/active_record/callbacks.rb:457:in `create_or_update'
activerecord (7.0.3.1) lib/active_record/timestamp.rb:126:in `create_or_update'
activerecord (7.0.3.1) lib/active_record/persistence.rb:648:in `save!'
activerecord (7.0.3.1) lib/active_record/validations.rb:53:in `save!'
activerecord (7.0.3.1) lib/active_record/transactions.rb:302:in `block in save!'
activerecord (7.0.3.1) lib/active_record/transactions.rb:354:in `block in with_transaction_returning_status'
activerecord (7.0.3.1) lib/active_record/connection_adapters/abstract/database_statements.rb:314:in `transaction'
activerecord (7.0.3.1) lib/active_record/transactions.rb:350:in `with_transaction_returning_status'
activerecord (7.0.3.1) lib/active_record/transactions.rb:302:in `save!'
activerecord (7.0.3.1) lib/active_record/suppressor.rb:54:in `save!'
app/models/invite_redeemer.rb:142:in `create_user_from_invite'
app/models/invite_redeemer.rb:208:in `invited_user'
app/models/invite_redeemer.rb:260:in `add_user_to_groups'
app/models/invite_redeemer.rb:226:in `process_invitation'
app/models/invite_redeemer.rb:55:in `block in redeem'
activerecord (7.0.3.1) lib/active_record/connection_adapters/abstract/transaction.rb:319:in `block in within_new_transaction'
activesupport (7.0.3.1) lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `handle_interrupt'
activesupport (7.0.3.1) lib/active_support/concurrency/load_interlock_aware_monitor.rb:25:in `block in synchronize'
activesupport (7.0.3.1) lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `handle_interrupt'
activesupport (7.0.3.1) lib/active_support/concurrency/load_interlock_aware_monitor.rb:21:in `synchronize'
activerecord (7.0.3.1) lib/active_record/connection_adapters/abstract/transaction.rb:317:in `within_new_transaction'
activerecord (7.0.3.1) lib/active_record/connection_adapters/abstract/database_statements.rb:316:in `transaction'
activerecord (7.0.3.1) lib/active_record/transactions.rb:209:in `transaction'
app/models/invite_redeemer.rb:53:in `redeem'
app/models/invite.rb:227:in `redeem'
app/controllers/invites_controller.rb:227:in `perform_accept_invitation'
actionpack (7.0.3.1) lib/action_controller/metal/basic_implicit_render.rb:6:in `send_action'
actionpack (7.0.3.1) lib/abstract_controller/base.rb:215:in `process_action'
actionpack (7.0.3.1) lib/action_controller/metal/rendering.rb:53:in `process_action'
actionpack (7.0.3.1) lib/abstract_controller/callbacks.rb:234:in `block in process_action'
activesupport (7.0.3.1) lib/active_support/callbacks.rb:118:in `block in run_callbacks'
app/controllers/application_control
Das hängt wahrscheinlich mit dem Plugin Discourse Encrypt (für private Nachrichten) zusammen. Es gab vor 12 Tagen ein Update, und als ich die Seite gestern zum ersten Mal aktualisiert habe, wurde auch dieses Plugin aktualisiert.
Das Plugin ist auf meiner Seite installiert, aber deaktiviert. Ich werde es in app.yml auskommentieren und schauen, ob es dann funktioniert. 