Flow price: --
460b6ccf6e959e64635ea1274e6f97c816949eda5f7ecd34bfa1cfe48e410500

Transaction

Hash: 460b6ccf6e959e64635ea1274e6f97c816949eda5f7ecd34bfa1cfe48e410500
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 460b6ccf6e959e64635ea1274e6f97c816949eda5f7ecd34bfa1cfe48e410500:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
460b6ccf6e959e64635ea1274e6f97c816949eda5f7ecd34bfa1cfe48e410500
Status:
ERROR
Block height:
39964737
Block id:
9039fd4d083e28d2da54dbf872bf6f5d2f44de5f0e08dae685fb9846baa483ee
Timestamp:
Sunday 30 October 2022 at 03:39:03 UTC
()
Proposer:
Authorizers:
Gas used:
47