Flow price: --
63ae09b8c2fd69ad2d87d5b27186f319c14f0190c23c90987520fa20fbe62807

Transaction

Hash: 63ae09b8c2fd69ad2d87d5b27186f319c14f0190c23c90987520fa20fbe62807
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 63ae09b8c2fd69ad2d87d5b27186f319c14f0190c23c90987520fa20fbe62807:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
63ae09b8c2fd69ad2d87d5b27186f319c14f0190c23c90987520fa20fbe62807
Status:
ERROR
Block height:
40051562
Block id:
773ed735bc837f5fa6d0d9342d1f8e0d96a31cd4cdbdf1b8a4c595cfcbb1cf10
Timestamp:
Monday 31 October 2022 at 14:23:49 UTC
()
Proposer:
Authorizers:
Gas used:
46