Flow price: --
0aeee9e75a67ba983d46988c247f5d4f9c9548e40b83a7689f81e8667ea89c20

Transaction

Hash: 0aeee9e75a67ba983d46988c247f5d4f9c9548e40b83a7689f81e8667ea89c20
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0aeee9e75a67ba983d46988c247f5d4f9c9548e40b83a7689f81e8667ea89c20:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0aeee9e75a67ba983d46988c247f5d4f9c9548e40b83a7689f81e8667ea89c20
Status:
ERROR
Block height:
40170628
Block id:
dbf734552a0c9d7f2301fbc59160b440c7aae898685aaa2f6f43cced96ef99f1
Timestamp:
Wednesday 2 November 2022 at 14:35:50 UTC
()
Proposer:
Authorizers:
Gas used:
46