Hello,
After I have updated the KoolControls to version 8.8 I am getting the errors on PHP log file:

[29-Nov-2016 15:47:37 America/Sao_Paulo] PHP Warning:  oci_execute(): ORA-00920: operador relacional inválido in E:\Webdesign\webserver\mdmweb\KoolControls\KoolGrid\ext\datasources\OracleDataSource.php on line 133
[29-Nov-2016 15:47:37 America/Sao_Paulo] PHP Warning:  oci_fetch_array(): ORA-24374: a definição não foi feita antes da extração ou execução e extração in E:\Webdesign\webserver\mdmweb\KoolControls\KoolGrid\ext\datasources\OracleDataSource.php on line 134
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I have changed back to version 8.7 and everything works fine.
I hope you can have a look and fix the error.
Best regards.
Jayme Jeffman

Hi Jayme,
Thanks for your valuable feedback! We have fixed this bug in the package suite. Please redownload KoolPHP 8.8 again and check if there's any issue with the data source. Thanks!

Hi David.
I have attempted to download KoolPHP 8.8 and the download has not started.
Best regards.
Jayme Jeffman

It should be good now.