Flow price: --
f736887b9676141d86ffc8adba8ccd91c2541478b17579ac6d7e0f8e3b954906

Transaction

Hash: f736887b9676141d86ffc8adba8ccd91c2541478b17579ac6d7e0f8e3b954906
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f736887b9676141d86ffc8adba8ccd91c2541478b17579ac6d7e0f8e3b954906:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f736887b9676141d86ffc8adba8ccd91c2541478b17579ac6d7e0f8e3b954906
Status:
ERROR
Block height:
39972209
Block id:
11e0a80762837480f095741e8e44fb27cdbc415e12a8bb1b5da5cdaf680e167c
Timestamp:
Sunday 30 October 2022 at 06:38:42 UTC
()
Proposer:
Authorizers:
Gas used:
48