Flow price: --
6a5b6de33d3444a5a367bde1612cd6841be67f0c9160e815f8544572b63a6e34

Transaction

Hash: 6a5b6de33d3444a5a367bde1612cd6841be67f0c9160e815f8544572b63a6e34
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6a5b6de33d3444a5a367bde1612cd6841be67f0c9160e815f8544572b63a6e34:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6a5b6de33d3444a5a367bde1612cd6841be67f0c9160e815f8544572b63a6e34
Status:
ERROR
Block height:
39857135
Block id:
3dbbbc779c6b0ccb46103d637bb8fd9891d12f86469a93570d82fffd2958dd2a
Timestamp:
Friday 28 October 2022 at 08:39:50 UTC
()
Proposer:
Authorizers:
Gas used:
47