Flow price: --
5081bae8353d9957ea51d2b278b325b2c3ef7f13b90e18765a620a9bf841a565

Transaction

Hash: 5081bae8353d9957ea51d2b278b325b2c3ef7f13b90e18765a620a9bf841a565
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5081bae8353d9957ea51d2b278b325b2c3ef7f13b90e18765a620a9bf841a565:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5081bae8353d9957ea51d2b278b325b2c3ef7f13b90e18765a620a9bf841a565
Status:
ERROR
Block height:
40094719
Block id:
02c37afbbf95c4ecdcbef0c307c14ed8f4b49aa057bc29dc1e0257dd6e99caba
Timestamp:
Tuesday 1 November 2022 at 07:46:41 UTC
()
Proposer:
Authorizers:
Gas used:
48