Flow price: --
9ed065450b3ff4bf0f6c4f0e3f5e0a2ea7dbbd09e8a271763e6f9083c53438b6

Transaction

Hash: 9ed065450b3ff4bf0f6c4f0e3f5e0a2ea7dbbd09e8a271763e6f9083c53438b6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9ed065450b3ff4bf0f6c4f0e3f5e0a2ea7dbbd09e8a271763e6f9083c53438b6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9ed065450b3ff4bf0f6c4f0e3f5e0a2ea7dbbd09e8a271763e6f9083c53438b6
Status:
ERROR
Block height:
39744973
Block id:
657cb473bd811f8c8a02d4760a80bce736d14cab4f7689d908f068f9d95f2dd1
Timestamp:
Wednesday 26 October 2022 at 11:26:00 UTC
()
Proposer:
Authorizers:
Gas used:
47