Flow price: --
954c9d1b4b4d513515f432a12ace6de1cca2eb8870f047a5c4c6d923da11468a

Transaction

Hash: 954c9d1b4b4d513515f432a12ace6de1cca2eb8870f047a5c4c6d923da11468a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 954c9d1b4b4d513515f432a12ace6de1cca2eb8870f047a5c4c6d923da11468a: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:
954c9d1b4b4d513515f432a12ace6de1cca2eb8870f047a5c4c6d923da11468a
Status:
ERROR
Block height:
40144532
Block id:
4b8e205bb0fbf44f5c355391744f06798d8dc4e8508fa1248ab402add254b570
Timestamp:
Wednesday 2 November 2022 at 04:00:34 UTC
()
Proposer:
Authorizers:
Gas used:
55