Flow price: --
9637f5bcffbb0e5e7424b061fc5a49316261f1e63d69969ba8a3dcb097b1691c

Transaction

Hash: 9637f5bcffbb0e5e7424b061fc5a49316261f1e63d69969ba8a3dcb097b1691c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9637f5bcffbb0e5e7424b061fc5a49316261f1e63d69969ba8a3dcb097b1691c: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:
9637f5bcffbb0e5e7424b061fc5a49316261f1e63d69969ba8a3dcb097b1691c
Status:
ERROR
Block height:
39962869
Block id:
64b031887c417ce9abf9e67e3d2b287a6c5c9c0bc73d7a388a5b5da53365ffcf
Timestamp:
Sunday 30 October 2022 at 02:54:11 UTC
()
Proposer:
Authorizers:
Gas used:
46