Flow price: --
a66a2c69dfc958dbfdb271ca58422fbd81e8d2ea053ea97d2dcc62bf0ed9781e

Transaction

Hash: a66a2c69dfc958dbfdb271ca58422fbd81e8d2ea053ea97d2dcc62bf0ed9781e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a66a2c69dfc958dbfdb271ca58422fbd81e8d2ea053ea97d2dcc62bf0ed9781e: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:
a66a2c69dfc958dbfdb271ca58422fbd81e8d2ea053ea97d2dcc62bf0ed9781e
Status:
ERROR
Block height:
39800071
Block id:
b8fe3c44312008f9a2cee6120fa14063badff88c0a520a61ac8306becb0cbe45
Timestamp:
Thursday 27 October 2022 at 09:37:20 UTC
()
Proposer:
Authorizers:
Gas used:
50