Flow price: --
de23ce34ed5772b16fe6e026c2a8c8690647e0bb56272066aa80e82b2dc722ab

Transaction

Hash: de23ce34ed5772b16fe6e026c2a8c8690647e0bb56272066aa80e82b2dc722ab
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> de23ce34ed5772b16fe6e026c2a8c8690647e0bb56272066aa80e82b2dc722ab: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:
de23ce34ed5772b16fe6e026c2a8c8690647e0bb56272066aa80e82b2dc722ab
Status:
ERROR
Block height:
39991811
Block id:
0199385fc943a169f51a1e8921ac58743bc8d3a42e575527546cea8df4f452f4
Timestamp:
Sunday 30 October 2022 at 14:29:09 UTC
()
Proposer:
Authorizers:
Gas used:
50