Flow price: --
64330f94190ebcc3c36cc7e565dad77b785cf5bec8b511e7978d8cd297434c10

Transaction

Hash: 64330f94190ebcc3c36cc7e565dad77b785cf5bec8b511e7978d8cd297434c10
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64330f94190ebcc3c36cc7e565dad77b785cf5bec8b511e7978d8cd297434c10:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
64330f94190ebcc3c36cc7e565dad77b785cf5bec8b511e7978d8cd297434c10
Status:
ERROR
Block height:
39903298
Block id:
43b0d5d1d4ad01ebec6948639bb1a4b4cf7b5bc8bfc335b84e2a56af5ab5e23f
Timestamp:
Saturday 29 October 2022 at 03:04:36 UTC
()
Proposer:
Authorizers:
Gas used:
46