Flow price: --
4fa4b5222d8d4dc4e566fecf9ee054c4feefa04ce36b5d27a4d9b1e81f147130

Transaction

Hash: 4fa4b5222d8d4dc4e566fecf9ee054c4feefa04ce36b5d27a4d9b1e81f147130
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4fa4b5222d8d4dc4e566fecf9ee054c4feefa04ce36b5d27a4d9b1e81f147130:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4fa4b5222d8d4dc4e566fecf9ee054c4feefa04ce36b5d27a4d9b1e81f147130
Status:
ERROR
Block height:
39990739
Block id:
95476c4fe5bb5aa43556fd61347500980f6de70dba4a12d630b674bc5a387ca2
Timestamp:
Sunday 30 October 2022 at 14:03:18 UTC
()
Proposer:
Authorizers:
Gas used:
50