Flow price: --
7645051cdf7ac09385a3a048afed23f237d9b82e77ac78265c198ad49047c553

Transaction

Hash: 7645051cdf7ac09385a3a048afed23f237d9b82e77ac78265c198ad49047c553
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7645051cdf7ac09385a3a048afed23f237d9b82e77ac78265c198ad49047c553:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7645051cdf7ac09385a3a048afed23f237d9b82e77ac78265c198ad49047c553
Status:
ERROR
Block height:
40000615
Block id:
71049a2b7143ca78053f6f8a8b230c80342944e30df4a0a0e98a214db405deb0
Timestamp:
Sunday 30 October 2022 at 18:00:52 UTC
()
Proposer:
Authorizers:
Gas used:
47