Flow price: --
a75bffd559dfd228b6908b0c77363a2907d77898ebe17808efb1d6c070febe47

Transaction

Hash: a75bffd559dfd228b6908b0c77363a2907d77898ebe17808efb1d6c070febe47
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a75bffd559dfd228b6908b0c77363a2907d77898ebe17808efb1d6c070febe47:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a75bffd559dfd228b6908b0c77363a2907d77898ebe17808efb1d6c070febe47
Status:
ERROR
Block height:
40041950
Block id:
c6929965ce0a603619c6d4050baeeb31c3fc79e4c045a334864b21484237dd27
Timestamp:
Monday 31 October 2022 at 10:31:31 UTC
()
Proposer:
Authorizers:
Gas used:
49