Flow price: --
2f42a7a61e89916f6f4cb0d345bf3e848d08e94e677b4659fcabdcff4d282999

Transaction

Hash: 2f42a7a61e89916f6f4cb0d345bf3e848d08e94e677b4659fcabdcff4d282999
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2f42a7a61e89916f6f4cb0d345bf3e848d08e94e677b4659fcabdcff4d282999:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2f42a7a61e89916f6f4cb0d345bf3e848d08e94e677b4659fcabdcff4d282999
Status:
ERROR
Block height:
40148400
Block id:
9555e4e4ff0fbfeee61821bb9437f8cde59e29b13f220226c3028623b6a67a21
Timestamp:
Wednesday 2 November 2022 at 05:35:05 UTC
()
Proposer:
Authorizers:
Gas used:
46