From phpBB 3.3 with the latest sql script, php 7.4, is this due to the php version?
[19-Feb-2021 18:11:36 UTC] PHP Deprecated: Array and string offset access syntax with curly braces is deprecated in /home//public_html/forums/convert.php on line 2813
[19-Feb-2021 18:11:36 UTC] PHP Deprecated: Array and string offset access syntax with curly braces is deprecated in /home//public_html/forums/convert.php on line 2816
[19-Feb-2021 18:11:36 UTC] PHP Notice: Undefined index: convert_script in /home//public_html/forums/convert.php on line 987
[19-Feb-2021 18:11:36 UTC] PHP Notice: Trying to access array offset on value of type null in /home//public_html/forums/convert.php on line 990
[19-Feb-2021 18:11:36 UTC] PHP Warning: Invalid argument supplied for foreach() in /home//public_html/forums/convert.php on line 990
[19-Feb-2021 18:11:36 UTC] PHP Notice: Undefined index: convert_script in /home//public_html/forums/convert.php on line 1002
[19-Feb-2021 18:11:36 UTC] PHP Notice: file(): read of 8192 bytes failed with errno=21 Is a directory in /home//public_html/forums/convert.php on line 1002
[19-Feb-2021 18:11:36 UTC] PHP Deprecated: strpos(): Non-string needles will be interpreted as strings in the future. Use an explicit chr() call to preserve the current behavior in /home//public_html/forums/convert.php on line 2449
[19-Feb-2021 18:11:36 UTC] PHP Notice: Undefined variable: result in /home//public_html/forums/convert.php on line 2510
[19-Feb-2021 18:11:36 UTC] PHP Notice: Undefined variable: result in /home//public_html/forums/convert.php on line 2511
[19-Feb-2021 18:11:36 UTC] PHP Notice: Undefined index: db_fetch_assoc in /home//public_html/forums/convert.php on line 1401
[19-Feb-2021 18:11:36 UTC] PHP Fatal error: Uncaught Error: Function name must be a string in /home//public_html/forums/convert.php:1401
Stack trace:
#0 /home//public_html/forums/convert.php(1341): doStep2()
#1 /home//public_html/forums/convert.php(51): doStep1()
#2 {main}
thrown in /home//public_html/forums/convert.php on line 1401