Flow price: --
17eea15149fef812f7316efc32c0e671122e9c734fb2e254f9f45ea42b9751ef

Transaction

Hash: 17eea15149fef812f7316efc32c0e671122e9c734fb2e254f9f45ea42b9751ef
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 17eea15149fef812f7316efc32c0e671122e9c734fb2e254f9f45ea42b9751ef: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:
17eea15149fef812f7316efc32c0e671122e9c734fb2e254f9f45ea42b9751ef
Status:
ERROR
Block height:
40129298
Block id:
735bb288119bcffdaba707b2fe8733f5819541232d36cf5506086d53417e5198
Timestamp:
Tuesday 1 November 2022 at 21:49:02 UTC
()
Proposer:
Authorizers:
Gas used:
46