Flow price: --
be89800c4c0650b346f4d8d39e473eed7dead39b37a7dbcdf05e4248c28b745e

Transaction

Hash: be89800c4c0650b346f4d8d39e473eed7dead39b37a7dbcdf05e4248c28b745e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> be89800c4c0650b346f4d8d39e473eed7dead39b37a7dbcdf05e4248c28b745e: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:
be89800c4c0650b346f4d8d39e473eed7dead39b37a7dbcdf05e4248c28b745e
Status:
ERROR
Block height:
40049904
Block id:
c97dff3b47b19d09895559114b9b793a01723490e7920dbef04436db7ea9dc74
Timestamp:
Monday 31 October 2022 at 13:43:34 UTC
()
Proposer:
Authorizers:
Gas used:
47