Flow price: --
01b7756acc271a4c0dff958cfb45de9e313879795737b2f5c44c80ee55bf5c18

Transaction

Hash: 01b7756acc271a4c0dff958cfb45de9e313879795737b2f5c44c80ee55bf5c18
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 01b7756acc271a4c0dff958cfb45de9e313879795737b2f5c44c80ee55bf5c18:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
01b7756acc271a4c0dff958cfb45de9e313879795737b2f5c44c80ee55bf5c18
Status:
ERROR
Block height:
39871411
Block id:
b4a114c80fff842ebd0084c45455d568b7807ab43837d0ec0a7a1f1628d868f2
Timestamp:
Friday 28 October 2022 at 14:24:04 UTC
()
Proposer:
Authorizers:
Gas used:
47