Flow price: --
19578a650c8b839abfa0fdab418cfa97574672fd03ba661db91d89f3086b03e1

Transaction

Hash: 19578a650c8b839abfa0fdab418cfa97574672fd03ba661db91d89f3086b03e1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 19578a650c8b839abfa0fdab418cfa97574672fd03ba661db91d89f3086b03e1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
19578a650c8b839abfa0fdab418cfa97574672fd03ba661db91d89f3086b03e1
Status:
ERROR
Block height:
39895899
Block id:
6a17f98639698d784d08d121b6b2336864bf95b22532d7a800b5b12ddec6df37
Timestamp:
Saturday 29 October 2022 at 00:07:41 UTC
()
Proposer:
Authorizers:
Gas used:
50