Flow price: --
4acfb0e6543c57218fc5fb47a71bb584677334aa5c2ba79ad9d2f2e8f9f77708

Transaction

Hash: 4acfb0e6543c57218fc5fb47a71bb584677334aa5c2ba79ad9d2f2e8f9f77708
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4acfb0e6543c57218fc5fb47a71bb584677334aa5c2ba79ad9d2f2e8f9f77708:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4acfb0e6543c57218fc5fb47a71bb584677334aa5c2ba79ad9d2f2e8f9f77708
Status:
ERROR
Block height:
40003636
Block id:
c925b8108c87738871b5f1fef9bf012462ec7a7c7e7f8cee25a0b5c073481b61
Timestamp:
Sunday 30 October 2022 at 19:13:20 UTC
()
Proposer:
Authorizers:
Gas used:
49