Flow price: --
3f44c48bd2d83edbe521ce56d35daf4c2a1c3a24e4e5165a9a6770b5354d8dd5

Transaction

Hash: 3f44c48bd2d83edbe521ce56d35daf4c2a1c3a24e4e5165a9a6770b5354d8dd5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f44c48bd2d83edbe521ce56d35daf4c2a1c3a24e4e5165a9a6770b5354d8dd5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3f44c48bd2d83edbe521ce56d35daf4c2a1c3a24e4e5165a9a6770b5354d8dd5
Status:
ERROR
Block height:
40153630
Block id:
811d7b5e554ee7c5ed2aaf2620dbffb9f39ef106ddce7312e2ede4372548a3e0
Timestamp:
Wednesday 2 November 2022 at 07:43:23 UTC
()
Proposer:
Authorizers:
Gas used:
46