Flow price: --
296e8c3323006395ac55dca4c94c7a74e5baeba37d9787a7e71bbdc23644805c

Transaction

Hash: 296e8c3323006395ac55dca4c94c7a74e5baeba37d9787a7e71bbdc23644805c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 296e8c3323006395ac55dca4c94c7a74e5baeba37d9787a7e71bbdc23644805c: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:
296e8c3323006395ac55dca4c94c7a74e5baeba37d9787a7e71bbdc23644805c
Status:
ERROR
Block height:
40148716
Block id:
afa186bd3c876e33dc942b0322efb33b6ad1942b2a5dc9b95dfc2bd0b6295600
Timestamp:
Wednesday 2 November 2022 at 05:42:39 UTC
()
Proposer:
Authorizers:
Gas used:
47