Flow price: --
b71d5a7d83c12b2ce0bef488c666d9e8ae994ace99af0622ce9065d804ee780b

Transaction

Hash: b71d5a7d83c12b2ce0bef488c666d9e8ae994ace99af0622ce9065d804ee780b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b71d5a7d83c12b2ce0bef488c666d9e8ae994ace99af0622ce9065d804ee780b: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:
b71d5a7d83c12b2ce0bef488c666d9e8ae994ace99af0622ce9065d804ee780b
Status:
ERROR
Block height:
39909752
Block id:
93149ff5507ec28d4bc2093ddbdee0395c001fe08bcffc48d78c82eab301e4cf
Timestamp:
Saturday 29 October 2022 at 05:39:28 UTC
()
Proposer:
Authorizers:
Gas used:
47