Flow price: --
873c38b1a6149669883b804f73ee7211b418f08cea1fcbce240b6d861c449046

Transaction

Hash: 873c38b1a6149669883b804f73ee7211b418f08cea1fcbce240b6d861c449046
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 873c38b1a6149669883b804f73ee7211b418f08cea1fcbce240b6d861c449046:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
873c38b1a6149669883b804f73ee7211b418f08cea1fcbce240b6d861c449046
Status:
ERROR
Block height:
39995738
Block id:
1f8fdf5f085a40df05a97fd096df36f6ae1c1d5423972df2ca8e6f85a51c8d2d
Timestamp:
Sunday 30 October 2022 at 16:03:43 UTC
()
Proposer:
Authorizers:
Gas used:
47