Flow price: --
454a58110f029d4d46832586ffac121283cfbeea350dd9c8e7cb6265aac71cad

Transaction

Hash: 454a58110f029d4d46832586ffac121283cfbeea350dd9c8e7cb6265aac71cad
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 454a58110f029d4d46832586ffac121283cfbeea350dd9c8e7cb6265aac71cad: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:
454a58110f029d4d46832586ffac121283cfbeea350dd9c8e7cb6265aac71cad
Status:
ERROR
Block height:
40159393
Block id:
2f1ea99fc8bb749cdf8aaddb75859b39416b156b167c688daf45882ed97cbab4
Timestamp:
Wednesday 2 November 2022 at 10:03:49 UTC
()
Proposer:
Authorizers:
Gas used:
49