Flow price: --
824cac22b2600fc997bab4c98e2692e2689027d1cea8818e6f57603fafb3c1f5

Transaction

Hash: 824cac22b2600fc997bab4c98e2692e2689027d1cea8818e6f57603fafb3c1f5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 824cac22b2600fc997bab4c98e2692e2689027d1cea8818e6f57603fafb3c1f5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
824cac22b2600fc997bab4c98e2692e2689027d1cea8818e6f57603fafb3c1f5
Status:
ERROR
Block height:
39877161
Block id:
fa707ee2a3cc9cab21d566264a57a7563ad0f1c39d52c4d1709f4c38c04d4e4a
Timestamp:
Friday 28 October 2022 at 16:41:22 UTC
()
Proposer:
Authorizers:
Gas used:
46