Flow price: --
898fc5d7a73bc018d33865e2ca89c8d5a154d7101e6bcf21f507a49fce723838

Transaction

Hash: 898fc5d7a73bc018d33865e2ca89c8d5a154d7101e6bcf21f507a49fce723838
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 898fc5d7a73bc018d33865e2ca89c8d5a154d7101e6bcf21f507a49fce723838:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
898fc5d7a73bc018d33865e2ca89c8d5a154d7101e6bcf21f507a49fce723838
Status:
ERROR
Block height:
39843496
Block id:
be8f946deceb477576bc2883ad747fb1f431888ab1ce179b9278fadd88e91341
Timestamp:
Friday 28 October 2022 at 03:08:34 UTC
()
Proposer:
Authorizers:
Gas used:
50