Flow price: --
676a26de9a2c4293518d2124c5d6188f0fcad0e7fe618c04213330689f1ff960

Transaction

Hash: 676a26de9a2c4293518d2124c5d6188f0fcad0e7fe618c04213330689f1ff960
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 676a26de9a2c4293518d2124c5d6188f0fcad0e7fe618c04213330689f1ff960:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
676a26de9a2c4293518d2124c5d6188f0fcad0e7fe618c04213330689f1ff960
Status:
ERROR
Block height:
40121423
Block id:
43f7211aa0511eaecf241fca787daecef15a3a2f920ff1a4667f4477135c72c5
Timestamp:
Tuesday 1 November 2022 at 18:35:26 UTC
()
Proposer:
Authorizers:
Gas used:
47