Flow price: --
3f9830ea6e9aaa30fa7c5a103a8cadaaec0daec2404d5f559da8f14fc8b4221c

Transaction

Hash: 3f9830ea6e9aaa30fa7c5a103a8cadaaec0daec2404d5f559da8f14fc8b4221c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3f9830ea6e9aaa30fa7c5a103a8cadaaec0daec2404d5f559da8f14fc8b4221c: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:
3f9830ea6e9aaa30fa7c5a103a8cadaaec0daec2404d5f559da8f14fc8b4221c
Status:
ERROR
Block height:
39935441
Block id:
8e67d5d7f7e0be102a0a9c7d7950499cfc373ffaed04f89821f57c9007982415
Timestamp:
Saturday 29 October 2022 at 16:01:45 UTC
()
Proposer:
Authorizers:
Gas used:
46