Flow price: --
c3d67381c817fa566216f12b2d85f050cce7acf91a671d3359e1fbcfaeeccdcc

Transaction

Hash: c3d67381c817fa566216f12b2d85f050cce7acf91a671d3359e1fbcfaeeccdcc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c3d67381c817fa566216f12b2d85f050cce7acf91a671d3359e1fbcfaeeccdcc: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:
c3d67381c817fa566216f12b2d85f050cce7acf91a671d3359e1fbcfaeeccdcc
Status:
ERROR
Block height:
39857236
Block id:
53680fb78c7eeeaf46d3ebe0d715e61f2c8e26dbc47f2050f4fa2128609212cd
Timestamp:
Friday 28 October 2022 at 08:42:16 UTC
()
Proposer:
Authorizers:
Gas used:
50