Flow price: --
f11f77d7053c6b9e59fa66e8b3ddba266ea41b5063f3954ab2aa839d5113ed4a

Transaction

Hash: f11f77d7053c6b9e59fa66e8b3ddba266ea41b5063f3954ab2aa839d5113ed4a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f11f77d7053c6b9e59fa66e8b3ddba266ea41b5063f3954ab2aa839d5113ed4a: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:
f11f77d7053c6b9e59fa66e8b3ddba266ea41b5063f3954ab2aa839d5113ed4a
Status:
ERROR
Block height:
40044953
Block id:
0834eb11cb3200049daa60cb8b8c714c87315c6ce0240a2533985be80864dcb7
Timestamp:
Monday 31 October 2022 at 11:43:55 UTC
()
Proposer:
Authorizers:
Gas used:
46