An error statement shows when try to remove files in admin page

[YFan0019]

Describe the bug
An error shows up when click the delete button in the "Dataset:Files" admin page

To Reproduce
Steps to reproduce the behavior:

1. Go to https://gigadb.org/adminFile/admin
2. Search for the files that I want to remove
3. Click on the delete button
4. See the error window shows up, but the function still works.

Expected behavior
Please check the cause and remove the error.

Screenshots

Desktop (please complete the following information):

• OS: MacOS
• Browser Chrome
• Version 127.0.6533.120

Additional context
Add any other context about the problem here.

[rija]

This is likely an error thrown by the Yii framework because of the wrong method being used (GET instead of POST)