Flow price: --
e3339ba0f81059c0d67a653b57218f346ff95e9380daac7e5b6a95cb401d946c

Transaction

Hash: e3339ba0f81059c0d67a653b57218f346ff95e9380daac7e5b6a95cb401d946c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e3339ba0f81059c0d67a653b57218f346ff95e9380daac7e5b6a95cb401d946c: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:
e3339ba0f81059c0d67a653b57218f346ff95e9380daac7e5b6a95cb401d946c
Status:
ERROR
Block height:
39873716
Block id:
18620ff08765665926280b437e11144b8541bd3e5d81f8047df131e0025c4195
Timestamp:
Friday 28 October 2022 at 15:19:00 UTC
()
Proposer:
Authorizers:
Gas used:
47