Flow price: --
dc476bd2f35096d84e2ab457c4c1b11ce989d29a7ed2bf9a5f626e33a7fbe778

Transaction

Hash: dc476bd2f35096d84e2ab457c4c1b11ce989d29a7ed2bf9a5f626e33a7fbe778
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dc476bd2f35096d84e2ab457c4c1b11ce989d29a7ed2bf9a5f626e33a7fbe778:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dc476bd2f35096d84e2ab457c4c1b11ce989d29a7ed2bf9a5f626e33a7fbe778
Status:
ERROR
Block height:
40052496
Block id:
85ec7526feb72ff6988fccdf404721ba497de056cc64deee894edef36b75c567
Timestamp:
Monday 31 October 2022 at 14:46:37 UTC
()
Proposer:
Authorizers:
Gas used:
50