Flow price: --
654fda5d65b72f0de89c1a745ce0156b8de8cac11d9baadce17c9a1e36d51823

Transaction

Hash: 654fda5d65b72f0de89c1a745ce0156b8de8cac11d9baadce17c9a1e36d51823
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 654fda5d65b72f0de89c1a745ce0156b8de8cac11d9baadce17c9a1e36d51823:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
654fda5d65b72f0de89c1a745ce0156b8de8cac11d9baadce17c9a1e36d51823
Status:
ERROR
Block height:
39734450
Block id:
77ca78eb5727b579c05c87df5589de27462d4a01ac70448f7a2b8d2a572b4629
Timestamp:
Wednesday 26 October 2022 at 07:11:23 UTC
()
Proposer:
Authorizers:
Gas used:
46