Errors after update

I updated to the latest version of JXTools.

I am using it in Joomla 1.5.25 to read a table names, email addresses, etc.

The table displays properly and one would think things are working properly. However, I get the following error message in the administrator folder.

[06-Mar-2012 15:44:50] PHP Warning: substr_compare() [<a href='function.substr-compare'>function.substr-compare</a>]: The length cannot exceed initial string length in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 486
[06-Mar-2012 15:44:50] PHP Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 570
[06-Mar-2012 15:44:50] PHP Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 570
[06-Mar-2012 15:44:50] PHP Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 570
[06-Mar-2012 15:44:50] PHP Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 570
[06-Mar-2012 15:44:50] PHP Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 570
[06-Mar-2012 15:45:55] PHP Warning: substr_compare() [<a href='function.substr-compare'>function.substr-compare</a>]: The length cannot exceed initial string length in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 486
[06-Mar-2012 15:45:55] PHP Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 570
[06-Mar-2012 15:45:55] PHP Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 570
[06-Mar-2012 15:45:55] PHP Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 570
[06-Mar-2012 15:45:55] PHP Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 570
[06-Mar-2012 15:45:55] PHP Warning: in_array() [<a href='function.in-array'>function.in-array</a>]: Wrong datatype for second argument in /home1/provetlo/public_html/administrator/components/com_grid/models/grid.php on line 570


Please suggest a remedy.

Thanks.