Flow price: --
8e1cfddc6e1b5121cb5c34cbeebf04f63d4c0bff8de742a979d87a16dcc290f7

Transaction

Hash: 8e1cfddc6e1b5121cb5c34cbeebf04f63d4c0bff8de742a979d87a16dcc290f7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8e1cfddc6e1b5121cb5c34cbeebf04f63d4c0bff8de742a979d87a16dcc290f7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8e1cfddc6e1b5121cb5c34cbeebf04f63d4c0bff8de742a979d87a16dcc290f7
Status:
ERROR
Block height:
40055134
Block id:
af8b309e3bedd7522d41901ec5ec613cefcc2bcb32ceb3b792b17865294f922e
Timestamp:
Monday 31 October 2022 at 15:50:48 UTC
()
Proposer:
Authorizers:
Gas used:
50