Error message when opening a thread in Tala-laya section

[shankarank]

Seeing this message at the top of "Structuring the korvai in the tani" thread in "Tala & Laya" Section:

[phpBB Debug] PHP Warning: in file [ROOT]/viewtopic.php on line 1823: Undefined array key 57
[phpBB Debug] PHP Warning: in file [ROOT]/viewtopic.php on line 1833: Trying to access array offset on value of type null
[phpBB Debug] PHP Warning: in file [ROOT]/viewtopic.php on line 1833: Trying to access array offset on value of type null
[phpBB Debug] PHP Warning: in file [ROOT]/viewtopic.php on line 1823: Undefined array key 57
[phpBB Debug] PHP Warning: in file [ROOT]/viewtopic.php on line 1833: Trying to access array offset on value of type null
[phpBB Debug] PHP Warning: in file [ROOT]/viewtopic.php on line 1833: Trying to access array offset on value of type null
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4150: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3035)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4150: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3035)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4150: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3035)
[phpBB Debug] PHP Warning: in file [ROOT]/includes/functions.php on line 4150: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3035)