Flow price: --
9c0be9d1e025b2f034ab26770ae19e74dc936e6a51889c69221c12bcf6b01467

Transaction

Hash: 9c0be9d1e025b2f034ab26770ae19e74dc936e6a51889c69221c12bcf6b01467
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9c0be9d1e025b2f034ab26770ae19e74dc936e6a51889c69221c12bcf6b01467:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9c0be9d1e025b2f034ab26770ae19e74dc936e6a51889c69221c12bcf6b01467
Status:
ERROR
Block height:
40162903
Block id:
5500120aa51934b570fcf23330cf99b0b56387320bca897b582f1c7da2073ee1
Timestamp:
Wednesday 2 November 2022 at 11:29:12 UTC
()
Proposer:
Authorizers:
Gas used:
46