Flow price: --
90ed7c6b6053c42a9ee123dd8d1e633eadb1049e826434964522d335c20bef8a

Transaction

Hash: 90ed7c6b6053c42a9ee123dd8d1e633eadb1049e826434964522d335c20bef8a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 90ed7c6b6053c42a9ee123dd8d1e633eadb1049e826434964522d335c20bef8a: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:
90ed7c6b6053c42a9ee123dd8d1e633eadb1049e826434964522d335c20bef8a
Status:
ERROR
Block height:
40133556
Block id:
7d47c0274a9f2a10f9d046e1b4b0b168d7c661b6cc7cf673dc15465c876eae92
Timestamp:
Tuesday 1 November 2022 at 23:34:02 UTC
()
Proposer:
Authorizers:
Gas used:
49