Flow price: --
b48215f8e567587ba3e378f955c18b75ea663f49a247f9355d73cbb02f40e3d1

Transaction

Hash: b48215f8e567587ba3e378f955c18b75ea663f49a247f9355d73cbb02f40e3d1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b48215f8e567587ba3e378f955c18b75ea663f49a247f9355d73cbb02f40e3d1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b48215f8e567587ba3e378f955c18b75ea663f49a247f9355d73cbb02f40e3d1
Status:
ERROR
Block height:
40104882
Block id:
cd889a8400e2fc8cd0d3fd82ef4f7875846498a89adfadfa5d213a4e5da0beb6
Timestamp:
Tuesday 1 November 2022 at 11:53:40 UTC
()
Proposer:
Authorizers:
Gas used:
47