Flow price: --
1e7db83f31859b03a85c4342d942c2a98fe0c3c6c893842d7028e300f54ddf2b

Transaction

Hash: 1e7db83f31859b03a85c4342d942c2a98fe0c3c6c893842d7028e300f54ddf2b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1e7db83f31859b03a85c4342d942c2a98fe0c3c6c893842d7028e300f54ddf2b: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:
1e7db83f31859b03a85c4342d942c2a98fe0c3c6c893842d7028e300f54ddf2b
Status:
ERROR
Block height:
39994638
Block id:
e27cb885929aab4784e030a0df0feefdf9017a5217db618a4ec71de44b0bf691
Timestamp:
Sunday 30 October 2022 at 15:36:36 UTC
()
Proposer:
Authorizers:
Gas used:
48