Flow price: --
c8ce238a9553cc2f97f0e00e3f7a207f8849d6636934677daf1ef5faec39d901

Transaction

Hash: c8ce238a9553cc2f97f0e00e3f7a207f8849d6636934677daf1ef5faec39d901
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c8ce238a9553cc2f97f0e00e3f7a207f8849d6636934677daf1ef5faec39d901:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c8ce238a9553cc2f97f0e00e3f7a207f8849d6636934677daf1ef5faec39d901
Status:
ERROR
Block height:
40148419
Block id:
f98a491da70b0eb2de4324f6196ac0e9cd3f4092a36f3d319cfb8264c4399b78
Timestamp:
Wednesday 2 November 2022 at 05:35:33 UTC
()
Proposer:
Authorizers:
Gas used:
47