Flow price: --
7b9a5c08e2cab4f5c67a0d8210fc041fc5f4043d330f559dc41f152e9173bd38

Transaction

Hash: 7b9a5c08e2cab4f5c67a0d8210fc041fc5f4043d330f559dc41f152e9173bd38
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 7b9a5c08e2cab4f5c67a0d8210fc041fc5f4043d330f559dc41f152e9173bd38:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
7b9a5c08e2cab4f5c67a0d8210fc041fc5f4043d330f559dc41f152e9173bd38
Status:
ERROR
Block height:
40144008
Block id:
771901af5ab4b057982ce203f3752f6e1ed4159dc4b913fc33f106bea50cbae2
Timestamp:
Wednesday 2 November 2022 at 03:47:57 UTC
()
Proposer:
Authorizers:
Gas used:
50