Flow price: --
7c5becd8b08b895a5430219fd28c3fb294e58ca444e2e50945de7b67851c00fa

Transaction

Hash: 7c5becd8b08b895a5430219fd28c3fb294e58ca444e2e50945de7b67851c00fa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7c5becd8b08b895a5430219fd28c3fb294e58ca444e2e50945de7b67851c00fa: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:
7c5becd8b08b895a5430219fd28c3fb294e58ca444e2e50945de7b67851c00fa
Status:
ERROR
Block height:
39977776
Block id:
3d55d293dce13fc380b21a621f1f33f6514b33c791975025a59ac93bde8b5737
Timestamp:
Sunday 30 October 2022 at 08:52:24 UTC
()
Proposer:
Authorizers:
Gas used:
51