Flow price: --
e3f764a76a0fab1f09591edbc8326526210c50825a33104b6e19e511d1e44581

Transaction

Hash: e3f764a76a0fab1f09591edbc8326526210c50825a33104b6e19e511d1e44581
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e3f764a76a0fab1f09591edbc8326526210c50825a33104b6e19e511d1e44581:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e3f764a76a0fab1f09591edbc8326526210c50825a33104b6e19e511d1e44581
Status:
ERROR
Block height:
40106103
Block id:
5a7c792fab8d0b706895cf8532cdd9785f487a4ae5544387505734c87b6a2b54
Timestamp:
Tuesday 1 November 2022 at 12:23:25 UTC
()
Proposer:
Authorizers:
Gas used:
46