Flow price: --
17eb3e59e87294e123a49a60762cac67d8051d11511fb6399b69ae9d6c5acb39

Transaction

Hash: 17eb3e59e87294e123a49a60762cac67d8051d11511fb6399b69ae9d6c5acb39
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 17eb3e59e87294e123a49a60762cac67d8051d11511fb6399b69ae9d6c5acb39:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
17eb3e59e87294e123a49a60762cac67d8051d11511fb6399b69ae9d6c5acb39
Status:
ERROR
Block height:
39861490
Block id:
0ef8bd1fb6fd0082ab82d12d01a25d65050af075c2bd9a9530ab9b59efc16c4a
Timestamp:
Friday 28 October 2022 at 10:24:47 UTC
()
Proposer:
Authorizers:
Gas used:
47