Flow price: --
69ec311e326a8c516240fcdc152a1af89bdf0bc75bccfcf21f49323f02acb331

Transaction

Hash: 69ec311e326a8c516240fcdc152a1af89bdf0bc75bccfcf21f49323f02acb331
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 69ec311e326a8c516240fcdc152a1af89bdf0bc75bccfcf21f49323f02acb331:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
69ec311e326a8c516240fcdc152a1af89bdf0bc75bccfcf21f49323f02acb331
Status:
ERROR
Block height:
40113331
Block id:
c6dbdec2e0f0994445c139ddef23daa235fe65ca6ef69535bae539d0856903e2
Timestamp:
Tuesday 1 November 2022 at 15:18:54 UTC
()
Proposer:
Authorizers:
Gas used:
49