Flow price: --
e0838573e50206b4d58fdf208a96307a17ac629a056e83af6912e5f21d657bc0

Transaction

Hash: e0838573e50206b4d58fdf208a96307a17ac629a056e83af6912e5f21d657bc0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e0838573e50206b4d58fdf208a96307a17ac629a056e83af6912e5f21d657bc0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e0838573e50206b4d58fdf208a96307a17ac629a056e83af6912e5f21d657bc0
Status:
ERROR
Block height:
40163355
Block id:
7d3aedbb41dd13161a855ac9722635e11b7d477074f9bf4ffc1ce726217cea01
Timestamp:
Wednesday 2 November 2022 at 11:40:07 UTC
()
Proposer:
Authorizers:
Gas used:
51