System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown while using worksheet

Hi Team,

Recently we have started facing issue of "System.outOfMemory: Exception" while running our assistants.
One assistants tries to open worksheet in code and iterate through rows and other assistant refers to revision of data sheet.

please refer to attached exception log. looking forward to your input.

Thanks & Regards
Pushpendra Kumar
Haldor Topsoe