Flow price: --
77ef9a5c273f9e528a73e089c92872db4e0c86659373237ab6d1c94700018df6

Transaction

Hash: 77ef9a5c273f9e528a73e089c92872db4e0c86659373237ab6d1c94700018df6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 77ef9a5c273f9e528a73e089c92872db4e0c86659373237ab6d1c94700018df6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
77ef9a5c273f9e528a73e089c92872db4e0c86659373237ab6d1c94700018df6
Status:
ERROR
Block height:
39991154
Block id:
cf2d500c2c51201cc793bead16a840a0abd7b8cb9ae063d9f7081a3850a257d0
Timestamp:
Sunday 30 October 2022 at 14:13:08 UTC
()
Proposer:
Authorizers:
Gas used:
46