Flow price: --
bcb11fa190d43f352afd33d2a9f9a193b44f316ccc5c3ff3e79a1f6a2a7a428a

Transaction

Hash: bcb11fa190d43f352afd33d2a9f9a193b44f316ccc5c3ff3e79a1f6a2a7a428a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bcb11fa190d43f352afd33d2a9f9a193b44f316ccc5c3ff3e79a1f6a2a7a428a: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:
bcb11fa190d43f352afd33d2a9f9a193b44f316ccc5c3ff3e79a1f6a2a7a428a
Status:
ERROR
Block height:
40137930
Block id:
a13dff1dfb1cfdb9b4879cb351f7948a7f7df5a76e45de361c6365ece816aa22
Timestamp:
Wednesday 2 November 2022 at 01:20:08 UTC
()
Proposer:
Authorizers:
Gas used:
47