Flow price: --
91f0d7f829ff864115683cf1df81d1a7f2b299db14b9bd6622283a97a1cbe644

Transaction

Hash: 91f0d7f829ff864115683cf1df81d1a7f2b299db14b9bd6622283a97a1cbe644
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 91f0d7f829ff864115683cf1df81d1a7f2b299db14b9bd6622283a97a1cbe644:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
91f0d7f829ff864115683cf1df81d1a7f2b299db14b9bd6622283a97a1cbe644
Status:
ERROR
Block height:
40054184
Block id:
baa7035af48e997b852fa43c685993ef4b2352053dd2a3d4c28fd777e7746483
Timestamp:
Monday 31 October 2022 at 15:27:44 UTC
()
Proposer:
Authorizers:
Gas used:
49