Flow price: --
590967ecc26f8363a6e7d3f4da715c9b534a59f1e590c9c857518fad2c8a65b4

Transaction

Hash: 590967ecc26f8363a6e7d3f4da715c9b534a59f1e590c9c857518fad2c8a65b4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 590967ecc26f8363a6e7d3f4da715c9b534a59f1e590c9c857518fad2c8a65b4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
590967ecc26f8363a6e7d3f4da715c9b534a59f1e590c9c857518fad2c8a65b4
Status:
ERROR
Block height:
40056054
Block id:
f0e6816f6228073070526fb4d15ea3594957df93ead05b4658a35e2d70cf3d03
Timestamp:
Monday 31 October 2022 at 16:13:28 UTC
()
Proposer:
Authorizers:
Gas used:
47