Flow price: --
92c257131c7ea85c21ef9a282e6087d72526f0875fc68d3d67fe69abfe2b5830

Transaction

Hash: 92c257131c7ea85c21ef9a282e6087d72526f0875fc68d3d67fe69abfe2b5830
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 92c257131c7ea85c21ef9a282e6087d72526f0875fc68d3d67fe69abfe2b5830:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
92c257131c7ea85c21ef9a282e6087d72526f0875fc68d3d67fe69abfe2b5830
Status:
ERROR
Block height:
40153583
Block id:
05f2bb43c3a39c8c41ad153f92be965b1823ac4ac512e2ec0ee0aeb46346d19b
Timestamp:
Wednesday 2 November 2022 at 07:42:14 UTC
()
Proposer:
Authorizers:
Gas used:
47