Flow price: --
1756bca6f01df913441ace689601122ef440df3500b1d1e4df4e1bfc74d30b27

Transaction

Hash: 1756bca6f01df913441ace689601122ef440df3500b1d1e4df4e1bfc74d30b27
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1756bca6f01df913441ace689601122ef440df3500b1d1e4df4e1bfc74d30b27:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1756bca6f01df913441ace689601122ef440df3500b1d1e4df4e1bfc74d30b27
Status:
ERROR
Block height:
40112171
Block id:
cbaa5b259bc9ab22104704036130f975b9e41b3ffd388ff9609b10926239f14b
Timestamp:
Tuesday 1 November 2022 at 14:50:57 UTC
()
Proposer:
Authorizers:
Gas used:
48