Flow price: --
98c7b7700e5c948d77a584974aec6174eb61d05e31d238eff50db44641cdfff5

Transaction

Hash: 98c7b7700e5c948d77a584974aec6174eb61d05e31d238eff50db44641cdfff5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 98c7b7700e5c948d77a584974aec6174eb61d05e31d238eff50db44641cdfff5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
98c7b7700e5c948d77a584974aec6174eb61d05e31d238eff50db44641cdfff5
Status:
ERROR
Block height:
39757151
Block id:
fd4a2d73540566f85546be75ed51a58e170f2e0adf76bc696c21b624e89cf5e0
Timestamp:
Wednesday 26 October 2022 at 16:19:18 UTC
()
Proposer:
Authorizers:
Gas used:
49