Flow price: --
570acbd9fcfdb4947cfb1f089594397419fff621ba51910cd6587278e253e8c8

Transaction

Hash: 570acbd9fcfdb4947cfb1f089594397419fff621ba51910cd6587278e253e8c8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 570acbd9fcfdb4947cfb1f089594397419fff621ba51910cd6587278e253e8c8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
570acbd9fcfdb4947cfb1f089594397419fff621ba51910cd6587278e253e8c8
Status:
ERROR
Block height:
40112403
Block id:
be34fa31f6029285365a2969995d4a61a6e419f978a4f9717645c7312ddfcfe3
Timestamp:
Tuesday 1 November 2022 at 14:56:25 UTC
()
Proposer:
Authorizers:
Gas used:
50