Flow price: --
a4fb62175d5213cf66174a5ad56cfe865f431b4198307bf426e2bd173b78e96e

Transaction

Hash: a4fb62175d5213cf66174a5ad56cfe865f431b4198307bf426e2bd173b78e96e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a4fb62175d5213cf66174a5ad56cfe865f431b4198307bf426e2bd173b78e96e: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:
a4fb62175d5213cf66174a5ad56cfe865f431b4198307bf426e2bd173b78e96e
Status:
ERROR
Block height:
40058612
Block id:
5d70fab4436eb7fdc749030534351f70036b1d7c81eda5ec8fe5463a4c441969
Timestamp:
Monday 31 October 2022 at 17:16:11 UTC
()
Proposer:
Authorizers:
Gas used:
46