Flow price: --
87a34d543a25b5aa773fe5792db61a7779923a90e0c1aa8b51bac699b957c221

Transaction

Hash: 87a34d543a25b5aa773fe5792db61a7779923a90e0c1aa8b51bac699b957c221
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 87a34d543a25b5aa773fe5792db61a7779923a90e0c1aa8b51bac699b957c221:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
87a34d543a25b5aa773fe5792db61a7779923a90e0c1aa8b51bac699b957c221
Status:
ERROR
Block height:
40136229
Block id:
3236f7c0df383809a2110105aebe2f0dbfdf71177ed9c89da23de739208b8293
Timestamp:
Wednesday 2 November 2022 at 00:38:58 UTC
()
Proposer:
Authorizers:
Gas used:
50