Flow price: --
8e3d84b85d4ccd2e7510f6f8798eac53a37d7e835605010f47810b42878121ef

Transaction

Hash: 8e3d84b85d4ccd2e7510f6f8798eac53a37d7e835605010f47810b42878121ef
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8e3d84b85d4ccd2e7510f6f8798eac53a37d7e835605010f47810b42878121ef: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:
8e3d84b85d4ccd2e7510f6f8798eac53a37d7e835605010f47810b42878121ef
Status:
ERROR
Block height:
40166624
Block id:
e95ace17b5391e053a8165c032b9ef52ca3da43ebdc64d7c957fc425a4684117
Timestamp:
Wednesday 2 November 2022 at 12:58:38 UTC
()
Proposer:
Authorizers:
Gas used:
47