DataTable Reading Failed

[Waqas]

Hi,

I am working on Vision 120 "V120-22-ua2".

I am using the below "dll's"
ComDriver v 1.0.0.39 and also tried 1.0.0.67
DataTables v 1.0.0.13
Xceed.compression v 3.7.8577.11540
Xceed.compression.Formats v 3.7.8577.11540

 

When I am trying to access the DataTable I am getting the below error 

whereas I am successfully connect to PLC with both VisiLogic and comdriver
and I am also able to Read and write the Operands in PLC in same project using the below code