php - In SSP file why it shows undefined index: columns and Allowed memory size of 134217728 bytes exhausted -


this question has answer here:

when looking show data table using datatables, getting these errors

severity: notice

message: undefined index: columns

filename: book/ssp.php

line number: 168

backtrace:

file: c:\xampp\htdocs\book\ssp.php line: 168 function: _error_handler

and

a php error encountered

severity: error

message: allowed memory size of 134217728 bytes exhausted (tried allocate 108665860 bytes)

filename: book/ssp.php

line number: 356


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