Flow price: --
3f2ec8bad3284c69984f4872683f946a8fed0d9b6374ff8bea9f9f91c32cdde1

Transaction

Hash: 3f2ec8bad3284c69984f4872683f946a8fed0d9b6374ff8bea9f9f91c32cdde1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f2ec8bad3284c69984f4872683f946a8fed0d9b6374ff8bea9f9f91c32cdde1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3f2ec8bad3284c69984f4872683f946a8fed0d9b6374ff8bea9f9f91c32cdde1
Status:
ERROR
Block height:
39734743
Block id:
1c90eff0b4ef8fb50e3c7d8b26ae834397f170bd7e9915fb312bcbfaca7cb973
Timestamp:
Wednesday 26 October 2022 at 07:18:19 UTC
()
Proposer:
Authorizers:
Gas used:
59