I am now confident that it may not be an issue with the forum system, but I am still very curious about why this is happening. I have conducted the following tests:
- I opened multiple browsers and found that I was unable to automatically populate the grid code.
- Using my regular Google Chrome browser, I made posts and discovered that one could automatically populate the grid code while another could not. Since both are Google Chrome browsers with different Google accounts, I conducted a third test.
- Under the same Google account, I switched between forum accounts to make posts. I confirmed that if I use a forum administrator account, the grid code cannot be invoked. However, if I use any other account, the grid code can be automatically populated.
- To confirm whether this phenomenon was caused by browser caching, I logged out of the forum administrator account. In another Google account that could invoke the grid code, I logged out and switched to the forum administrator account. After switching, the grid code could not be invoked again in the forum that previously allowed it.