Flow price: --
ebb7646b8e82dccb10b2dd39b6ec64b79a6329956fc430e12dfcb90e323e2637

Transaction

Hash: ebb7646b8e82dccb10b2dd39b6ec64b79a6329956fc430e12dfcb90e323e2637
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ebb7646b8e82dccb10b2dd39b6ec64b79a6329956fc430e12dfcb90e323e2637:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ebb7646b8e82dccb10b2dd39b6ec64b79a6329956fc430e12dfcb90e323e2637
Status:
ERROR
Block height:
40168245
Block id:
a55a1d5e3f7bcb5679235a1a68829b5bf2c833774620431ad1c1e38f12e06a71
Timestamp:
Wednesday 2 November 2022 at 13:37:53 UTC
()
Proposer:
Authorizers:
Gas used:
46