Flow price: --
31f73ee256e8f12dfcf64694c1e797ade2c0ce983e8db62a329ce37bd570f959

Transaction

Hash: 31f73ee256e8f12dfcf64694c1e797ade2c0ce983e8db62a329ce37bd570f959
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 31f73ee256e8f12dfcf64694c1e797ade2c0ce983e8db62a329ce37bd570f959:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
31f73ee256e8f12dfcf64694c1e797ade2c0ce983e8db62a329ce37bd570f959
Status:
ERROR
Block height:
40148558
Block id:
a56a0270530afd133ca0ee217c18d000882c5f6d8e9319e0851cb3b3ddaed0c0
Timestamp:
Wednesday 2 November 2022 at 05:38:56 UTC
()
Proposer:
Authorizers:
Gas used:
47