Flow price: --
72cff31ee11cac6d5e7c5cca25e3dd93aec092a82b441995058d87933d2f6ba8

Transaction

Hash: 72cff31ee11cac6d5e7c5cca25e3dd93aec092a82b441995058d87933d2f6ba8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 72cff31ee11cac6d5e7c5cca25e3dd93aec092a82b441995058d87933d2f6ba8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
72cff31ee11cac6d5e7c5cca25e3dd93aec092a82b441995058d87933d2f6ba8
Status:
ERROR
Block height:
39909910
Block id:
68d19f7d297963f13e346d317f6362575b616568f57250c559a8bc1135ea0f5a
Timestamp:
Saturday 29 October 2022 at 05:43:24 UTC
()
Proposer:
Authorizers:
Gas used:
50