Flow price: --
82c3d80984009aec5c295fed91c46a139262f6efd63a1f834a7ff36588e6e938

Transaction

Hash: 82c3d80984009aec5c295fed91c46a139262f6efd63a1f834a7ff36588e6e938
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 82c3d80984009aec5c295fed91c46a139262f6efd63a1f834a7ff36588e6e938:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
82c3d80984009aec5c295fed91c46a139262f6efd63a1f834a7ff36588e6e938
Status:
ERROR
Block height:
40147965
Block id:
48b94b6b4594d1fa2f2d9141aaa0c33f2160d489ce13f0e9b2a1ca8983f1abe4
Timestamp:
Wednesday 2 November 2022 at 05:24:29 UTC
()
Proposer:
Authorizers:
Gas used:
46