Community Tip - You can change your system assigned username to something more personal in your community settings. X
Take a look at this article: https://www.ptc.com/en/support/article/CS317066
This might help....
All right.
I will try it.
Thank you for your help.
Hi @SW_10353216
@RandyJones is right there is usualy trouble with buffer
following script helped me to solve similar issue. I increase the buffer to 10000 and it was enough in my case.
<SCRIPT>
PTC.wizard.getContentAreaPaddingHeight = PTC.wizard.getContentAreaPaddingHeight.wrap(function(orig) {
return orig.call(this) + 12;
});
Ext.ux.grid.BufferView.prototype.getVisibleRowCount = function(){
return 10000;
};
Ext.override(Ext.ux.grid.BufferView,{
doClean: Ext.emptyFn
});
setUserSubmitFunction(function(){return PTC.validation.callAJAXValidation("idOfTheRenderingTABLE");});
</SCRIPT>
PetrH
Hello @SW_10353216,
It looks like you have some responses from some community members. If any of these replies helped you solve your question please mark the appropriate reply as the Accepted Solution. 
Of course, if you have more to share on your issue, please let the Community know so other community members can continue to help you.
Thanks,
Vivek N.
Community Moderation Team.
