Flow price: --
57f2ba666785af5f97ac2f19c382d61e8f23c092d8361f0d053ea6ada57a53b8

Transaction

Hash: 57f2ba666785af5f97ac2f19c382d61e8f23c092d8361f0d053ea6ada57a53b8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 57f2ba666785af5f97ac2f19c382d61e8f23c092d8361f0d053ea6ada57a53b8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
57f2ba666785af5f97ac2f19c382d61e8f23c092d8361f0d053ea6ada57a53b8
Status:
ERROR
Block height:
40115728
Block id:
d6d2c1a9c5621927b76b27cbc3444da78281ed62c6a3384e67ec43c5b0dae3c6
Timestamp:
Tuesday 1 November 2022 at 16:17:04 UTC
()
Proposer:
Authorizers:
Gas used:
49