just go again through the posts and recap what was done. Especially check out the defensive approach for handling empty filter results.
dr prefix we use for data row
dt prefix we can use for data table
so just do a more clear variable naming in your implementation. In case of the issue is existing go for debugging the code and check the statements within the different options as presented here:
Understanding the 6 Debugging Panels of UiPath in the easiest way possible! - News / Tutorials - UiPath Community Forum
Anil_G
ashokkarale
jinal.shah
Gautham_Pattabiraman
postwick
chandreshsinh.jadeja
vrdabberu
Ajay_Mishra
sven.wullum1
Vyshnavi_Nalumachu