Flow price: --
ac0b45c7cc3c9189ff02db78b0c2cd7719ab1f20083b41142e1f328698d46b67

Transaction

Hash: ac0b45c7cc3c9189ff02db78b0c2cd7719ab1f20083b41142e1f328698d46b67
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ac0b45c7cc3c9189ff02db78b0c2cd7719ab1f20083b41142e1f328698d46b67:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ac0b45c7cc3c9189ff02db78b0c2cd7719ab1f20083b41142e1f328698d46b67
Status:
ERROR
Block height:
40037091
Block id:
3512d371855f10848956e0fe6f988f8caf202b5956c61e2b6ae6d5042e61a40e
Timestamp:
Monday 31 October 2022 at 08:33:25 UTC
()
Proposer:
Authorizers:
Gas used:
47