Flow price: --
b1868633ac83c1b2423f3ea96c039d16ddab8d6e4b0594f40fa1279a0a53722b

Transaction

Hash: b1868633ac83c1b2423f3ea96c039d16ddab8d6e4b0594f40fa1279a0a53722b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1868633ac83c1b2423f3ea96c039d16ddab8d6e4b0594f40fa1279a0a53722b: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:
b1868633ac83c1b2423f3ea96c039d16ddab8d6e4b0594f40fa1279a0a53722b
Status:
ERROR
Block height:
39971716
Block id:
af61d989b4386ff865a9be631957ea87340e38cde33c777135c1bd51959cdcf4
Timestamp:
Sunday 30 October 2022 at 06:26:57 UTC
()
Proposer:
Authorizers:
Gas used:
50