Flow price: --
38ce702e7e1c0d4a25cff3179993a604ddc6c72577abb5eccc47e0e949fd7424

Transaction

Hash: 38ce702e7e1c0d4a25cff3179993a604ddc6c72577abb5eccc47e0e949fd7424
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 38ce702e7e1c0d4a25cff3179993a604ddc6c72577abb5eccc47e0e949fd7424:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
38ce702e7e1c0d4a25cff3179993a604ddc6c72577abb5eccc47e0e949fd7424
Status:
ERROR
Block height:
39991545
Block id:
9659eafb274a7cba4ce870fb4887b0f00464ca5664ce9ddf5265e06087b7c521
Timestamp:
Sunday 30 October 2022 at 14:22:31 UTC
()
Proposer:
Authorizers:
Gas used:
68