// Split the SQL queries in chunks of 100 values
// We do the $i stuff here to make the code better readable
- $i = $counter[$key_table][$key_condition];
+ $i = isset($counter[$key_table][$key_condition]) ? $counter[$key_table][$key_condition] : 0;
if (isset($compacted[$key_table][$key_condition][$i]) && count($compacted[$key_table][$key_condition][$i]) > 100) {
++$i;
}