Flow price: --
f725a351bfbf84404876121ae25caf61f2c54b3e80c9de34158d83ab4fd45169

Transaction

Hash: f725a351bfbf84404876121ae25caf61f2c54b3e80c9de34158d83ab4fd45169
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f725a351bfbf84404876121ae25caf61f2c54b3e80c9de34158d83ab4fd45169:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f725a351bfbf84404876121ae25caf61f2c54b3e80c9de34158d83ab4fd45169
Status:
ERROR
Block height:
39999108
Block id:
a4c5ff8f3b7146dbf8b407f227aac25f1120dc7c085f9133ee8e5ef94a68d270
Timestamp:
Sunday 30 October 2022 at 17:24:46 UTC
()
Proposer:
Authorizers:
Gas used:
46