Flow price: --
f35a1e40e0819e3389b0db5129c5c095311623041c6d05947a9e5a915fa461c4

Transaction

Hash: f35a1e40e0819e3389b0db5129c5c095311623041c6d05947a9e5a915fa461c4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f35a1e40e0819e3389b0db5129c5c095311623041c6d05947a9e5a915fa461c4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f35a1e40e0819e3389b0db5129c5c095311623041c6d05947a9e5a915fa461c4
Status:
ERROR
Block height:
40105623
Block id:
7369c3692addd91b4dd73ad053a54d309021ee8dcfa978774cbd8b6b6d322e64
Timestamp:
Tuesday 1 November 2022 at 12:11:54 UTC
()
Proposer:
Authorizers:
Gas used:
47