Flow price: --
e0f2393c3576aa9b5678c201802cb9f50400b0aa48376d1d10d733da9e3b0173

Transaction

Hash: e0f2393c3576aa9b5678c201802cb9f50400b0aa48376d1d10d733da9e3b0173
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e0f2393c3576aa9b5678c201802cb9f50400b0aa48376d1d10d733da9e3b0173:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e0f2393c3576aa9b5678c201802cb9f50400b0aa48376d1d10d733da9e3b0173
Status:
ERROR
Block height:
40038631
Block id:
7bc5d3b746a3f784857f152cf87ec08144ad5a01292ff65cdabe16788c30a0f9
Timestamp:
Monday 31 October 2022 at 09:10:58 UTC
()
Proposer:
Authorizers:
Gas used:
45