Flow price: --
f7f494059291d36c66e5e238ab008f5f984ef7ced0e0ebcb1ea1aa09cd5bdb3f

Transaction

Hash: f7f494059291d36c66e5e238ab008f5f984ef7ced0e0ebcb1ea1aa09cd5bdb3f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f7f494059291d36c66e5e238ab008f5f984ef7ced0e0ebcb1ea1aa09cd5bdb3f: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:
f7f494059291d36c66e5e238ab008f5f984ef7ced0e0ebcb1ea1aa09cd5bdb3f
Status:
ERROR
Block height:
39992689
Block id:
28b3e41933847e884b1f02da9e383d0ef4472369907eb33820e4aa0e34e4d334
Timestamp:
Sunday 30 October 2022 at 14:50:08 UTC
()
Proposer:
Authorizers:
Gas used:
46