Flow price: --
6c9a4743a4618c586cb8e058b98032815e7dd14082102e3e00571532ddddd3a5

Transaction

Hash: 6c9a4743a4618c586cb8e058b98032815e7dd14082102e3e00571532ddddd3a5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6c9a4743a4618c586cb8e058b98032815e7dd14082102e3e00571532ddddd3a5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6c9a4743a4618c586cb8e058b98032815e7dd14082102e3e00571532ddddd3a5
Status:
ERROR
Block height:
40112428
Block id:
90e95a52e2147b2c0f5004adda4fa67f3633a071d4fe2964882ab9210a938d8d
Timestamp:
Tuesday 1 November 2022 at 14:57:01 UTC
()
Proposer:
Authorizers:
Gas used:
49