Flow price: --
6cb5e1a87d681c4121fe10062f2e4be70b9a592fc3b6a7fda4cd1dccd67ec32f

Transaction

Hash: 6cb5e1a87d681c4121fe10062f2e4be70b9a592fc3b6a7fda4cd1dccd67ec32f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6cb5e1a87d681c4121fe10062f2e4be70b9a592fc3b6a7fda4cd1dccd67ec32f: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:
6cb5e1a87d681c4121fe10062f2e4be70b9a592fc3b6a7fda4cd1dccd67ec32f
Status:
ERROR
Block height:
39939203
Block id:
1d1d14c38836f22a68ede0cb7d2e1f670d156b6832eefb1c5e116d1c3b95cb1a
Timestamp:
Saturday 29 October 2022 at 17:32:40 UTC
()
Proposer:
Authorizers:
Gas used:
47