Flow price: --
6644937894c59b22fb7a30f2aca3af45529bc2e64e63924253691dfb4e93a000

Transaction

Hash: 6644937894c59b22fb7a30f2aca3af45529bc2e64e63924253691dfb4e93a000
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6644937894c59b22fb7a30f2aca3af45529bc2e64e63924253691dfb4e93a000:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6644937894c59b22fb7a30f2aca3af45529bc2e64e63924253691dfb4e93a000
Status:
ERROR
Block height:
39766415
Block id:
89060d2dbe4b6ea5c4dac11324dae6cccc1605b7e3648eb6e0aec5d907718229
Timestamp:
Wednesday 26 October 2022 at 20:03:45 UTC
()
Proposer:
Authorizers:
Gas used:
49