Flow price: --
c894667755e88308020a990d4fb47551316e52b551fdd99e1fd5e1141bdcb31c

Transaction

Hash: c894667755e88308020a990d4fb47551316e52b551fdd99e1fd5e1141bdcb31c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c894667755e88308020a990d4fb47551316e52b551fdd99e1fd5e1141bdcb31c:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c894667755e88308020a990d4fb47551316e52b551fdd99e1fd5e1141bdcb31c
Status:
ERROR
Block height:
39965190
Block id:
f6d3aebcefe08748fc96cddda313b85c535174a2eac0ec454ad82e4dae3e5253
Timestamp:
Sunday 30 October 2022 at 03:50:06 UTC
()
Proposer:
Authorizers:
Gas used:
49