Flow price: --
620257b63071bf83d1487badf3f35959fafdf04b31814761d9df8a9fea709efa

Transaction

Hash: 620257b63071bf83d1487badf3f35959fafdf04b31814761d9df8a9fea709efa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 620257b63071bf83d1487badf3f35959fafdf04b31814761d9df8a9fea709efa: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:
620257b63071bf83d1487badf3f35959fafdf04b31814761d9df8a9fea709efa
Status:
ERROR
Block height:
40160613
Block id:
e5f8068a8884c98017367c2c7c0d3451979030a1c6662ca347cc6738e10cdbdd
Timestamp:
Wednesday 2 November 2022 at 10:33:27 UTC
()
Proposer:
Authorizers:
Gas used:
49