Check the Activation type at the bottom and check if it was met to activate the package.
If Upon Location Update - Check that the ICCID has a successful Location Update with the allowed IMSI / Network combination as per their whitelist.
If Upon PDP session - Check that the LU is successful and the APN and data roaming settings are set correctly in the device
If Upon API trigger - Ask the user to perform an API call to activate the data package