Flow price: --
150202d6559d80652fdd3215130ab15c4c8281468a810ab419e8aa83ff7cd457

Transaction

Hash: 150202d6559d80652fdd3215130ab15c4c8281468a810ab419e8aa83ff7cd457
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 150202d6559d80652fdd3215130ab15c4c8281468a810ab419e8aa83ff7cd457:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
150202d6559d80652fdd3215130ab15c4c8281468a810ab419e8aa83ff7cd457
Status:
ERROR
Block height:
40154286
Block id:
2184d4124344c3494c247ea405bde5793b889893a28eb522ea174196f01ff78e
Timestamp:
Wednesday 2 November 2022 at 07:59:07 UTC
()
Proposer:
Authorizers:
Gas used:
47