Flow price: --
567012e64d92b35eb861ae05f9c3978db6f99aa622d1d01f9704cd5e8856301b

Transaction

Hash: 567012e64d92b35eb861ae05f9c3978db6f99aa622d1d01f9704cd5e8856301b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 567012e64d92b35eb861ae05f9c3978db6f99aa622d1d01f9704cd5e8856301b: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:
567012e64d92b35eb861ae05f9c3978db6f99aa622d1d01f9704cd5e8856301b
Status:
ERROR
Block height:
40074622
Block id:
690ee06df57a4d42bc0d5692f2e03a51e4e2492babeea1e49c42f56179909969
Timestamp:
Monday 31 October 2022 at 23:38:56 UTC
()
Proposer:
Authorizers:
Gas used:
50