Flow price: --
6f923c905679800c40aef79959d8f82b22c217d9e99ae94cb7abc3b95ce44c17

Transaction

Hash: 6f923c905679800c40aef79959d8f82b22c217d9e99ae94cb7abc3b95ce44c17
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6f923c905679800c40aef79959d8f82b22c217d9e99ae94cb7abc3b95ce44c17:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6f923c905679800c40aef79959d8f82b22c217d9e99ae94cb7abc3b95ce44c17
Status:
ERROR
Block height:
40131807
Block id:
64766299e7c120e1f49437cf5f2069641a5d456122d2a51d478ffe3df2358657
Timestamp:
Tuesday 1 November 2022 at 22:51:01 UTC
()
Proposer:
Authorizers:
Gas used:
47