Flow price: --
4e206df12530aa9ac62afe03d75e34fcd56b000fa071d0bba7e69b1e87064835

Transaction

Hash: 4e206df12530aa9ac62afe03d75e34fcd56b000fa071d0bba7e69b1e87064835
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4e206df12530aa9ac62afe03d75e34fcd56b000fa071d0bba7e69b1e87064835:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4e206df12530aa9ac62afe03d75e34fcd56b000fa071d0bba7e69b1e87064835
Status:
ERROR
Block height:
40102539
Block id:
13a5b1038c2e6f49c6df478d6a134535860f33395bb4b45082f4bbe6af32632d
Timestamp:
Tuesday 1 November 2022 at 10:56:47 UTC
()
Proposer:
Authorizers:
Gas used:
50