Flow price: --
dca459d128465a8173a312a12ad9fdc51802cad4ede8b8ee489640acb055d006

Transaction

Hash: dca459d128465a8173a312a12ad9fdc51802cad4ede8b8ee489640acb055d006
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dca459d128465a8173a312a12ad9fdc51802cad4ede8b8ee489640acb055d006:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dca459d128465a8173a312a12ad9fdc51802cad4ede8b8ee489640acb055d006
Status:
ERROR
Block height:
40155083
Block id:
bb58b31aff50825992e102b7a2bb49472278259705bcf3b3ec0fb1013851b91a
Timestamp:
Wednesday 2 November 2022 at 08:18:39 UTC
()
Proposer:
Authorizers:
Gas used:
47