Yes, you need to validate the configuration. To validate the GSP Configuration,follow the following step:
Step 1: Go to Administration Menu click on Configuration option
Step 2: Click on Features / options.
Step 3: Click on GST / VAT options
Step 4: Click on GSP Configuration option
Step 5: GSP for E-Way Bill & E-Invoice window will open
Step 6: If you have created two GSP Webtel & Pinnacle you can validate both
Step 7: Check user id, password and click on Validate Option If there are any errors or discrepancies, a popup message will appear, indicating the issue.
Step 8: after validating, save the configuration.