Flow price: --
a20c73d1fc286def57ccead0dc4facf28054a6d1fe6316400b0a4e3d28b78f16

Transaction

Hash: a20c73d1fc286def57ccead0dc4facf28054a6d1fe6316400b0a4e3d28b78f16
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a20c73d1fc286def57ccead0dc4facf28054a6d1fe6316400b0a4e3d28b78f16:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a20c73d1fc286def57ccead0dc4facf28054a6d1fe6316400b0a4e3d28b78f16
Status:
ERROR
Block height:
40096589
Block id:
e9591b3822972d181230c42a534227bd3cf69695ff10cbdcf52c8b694e929823
Timestamp:
Tuesday 1 November 2022 at 08:32:13 UTC
()
Proposer:
Authorizers:
Gas used:
46