Firefox extended development, indicating that moz-extension? could not be read

follow the official tutorial
https://developer.mozilla.org.

prompt when done



 moz-extension://86c73825-c560-444c-ba1c-9aa60103a6e9/manifest.json 

    

Google browser is normal, what should I do?

Jan.19,2022

same question, but I can't access options.html

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b30be6-340ea.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b30be6-340ea.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?