Flow price: --
fb769700387ad6d2e5d014c77f5d5b926a2a380e5b64d3e00b9cde344656c98b

Transaction

Hash: fb769700387ad6d2e5d014c77f5d5b926a2a380e5b64d3e00b9cde344656c98b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fb769700387ad6d2e5d014c77f5d5b926a2a380e5b64d3e00b9cde344656c98b: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:
fb769700387ad6d2e5d014c77f5d5b926a2a380e5b64d3e00b9cde344656c98b
Status:
ERROR
Block height:
39943356
Block id:
9a6e0c4005da5f3faa1adadbafd709b86176e5e8e281153cda3ebed2ee961a3f
Timestamp:
Saturday 29 October 2022 at 19:12:06 UTC
()
Proposer:
Authorizers:
Gas used:
46