Flow price: --
1579467f81ed98419d2da27bca47d11e605debace545db2e16165ae6a9f2172c

Transaction

Hash: 1579467f81ed98419d2da27bca47d11e605debace545db2e16165ae6a9f2172c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1579467f81ed98419d2da27bca47d11e605debace545db2e16165ae6a9f2172c: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:
1579467f81ed98419d2da27bca47d11e605debace545db2e16165ae6a9f2172c
Status:
ERROR
Block height:
39890918
Block id:
0af43cc35f40abfb51ab1878ed664c6decf960cb6e51c351e96ea864fa8abe4e
Timestamp:
Friday 28 October 2022 at 22:10:09 UTC
()
Proposer:
Authorizers:
Gas used:
46