Flow price: --
e624f64db5e1f0d38d210d25cfb53aeab6d91941eadb778d866bbc9345bb4888

Transaction

Hash: e624f64db5e1f0d38d210d25cfb53aeab6d91941eadb778d866bbc9345bb4888
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e624f64db5e1f0d38d210d25cfb53aeab6d91941eadb778d866bbc9345bb4888:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e624f64db5e1f0d38d210d25cfb53aeab6d91941eadb778d866bbc9345bb4888
Status:
ERROR
Block height:
40157798
Block id:
02e5fa6def5ea1c7ae676fa36226d9cfaf09aa3157a926c15fb38984db39e644
Timestamp:
Wednesday 2 November 2022 at 09:24:45 UTC
()
Proposer:
Authorizers:
Gas used:
61