Flow price: --
1f494c88e1c004b77649873676c3a301625e6c9ff2e995026d2b3e17b6281e1d

Transaction

Hash: 1f494c88e1c004b77649873676c3a301625e6c9ff2e995026d2b3e17b6281e1d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1f494c88e1c004b77649873676c3a301625e6c9ff2e995026d2b3e17b6281e1d: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:
1f494c88e1c004b77649873676c3a301625e6c9ff2e995026d2b3e17b6281e1d
Status:
ERROR
Block height:
40099562
Block id:
b1d0a6dd0af4310ae880733ded963cb7d65807af7079fcea158ca51c569cae33
Timestamp:
Tuesday 1 November 2022 at 09:44:40 UTC
()
Proposer:
Authorizers:
Gas used:
49