Flow price: --
1679359ae4e7d6e923919e8736dddf67c1692183100e7c45d14e1d59a2b3c119

Transaction

Hash: 1679359ae4e7d6e923919e8736dddf67c1692183100e7c45d14e1d59a2b3c119
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1679359ae4e7d6e923919e8736dddf67c1692183100e7c45d14e1d59a2b3c119:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1679359ae4e7d6e923919e8736dddf67c1692183100e7c45d14e1d59a2b3c119
Status:
ERROR
Block height:
39903298
Block id:
43b0d5d1d4ad01ebec6948639bb1a4b4cf7b5bc8bfc335b84e2a56af5ab5e23f
Timestamp:
Saturday 29 October 2022 at 03:04:36 UTC
()
Proposer:
Authorizers:
Gas used:
49