Flow price: --
f30a7ae15e7521bd35667b37854adf852d51c428ae8c881dca38c160bfd8dd19

Transaction

Hash: f30a7ae15e7521bd35667b37854adf852d51c428ae8c881dca38c160bfd8dd19
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f30a7ae15e7521bd35667b37854adf852d51c428ae8c881dca38c160bfd8dd19:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f30a7ae15e7521bd35667b37854adf852d51c428ae8c881dca38c160bfd8dd19
Status:
ERROR
Block height:
40000966
Block id:
d48af4602c2e561b77375356c14875cc19cc71702154e227131d9411182a824c
Timestamp:
Sunday 30 October 2022 at 18:09:11 UTC
()
Proposer:
Authorizers:
Gas used:
50