Flow price: --
c5cdda13d3536420f6f64b669fc33569adfd43166ef1a41e2f0bb5e8308286e3

Transaction

Hash: c5cdda13d3536420f6f64b669fc33569adfd43166ef1a41e2f0bb5e8308286e3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c5cdda13d3536420f6f64b669fc33569adfd43166ef1a41e2f0bb5e8308286e3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c5cdda13d3536420f6f64b669fc33569adfd43166ef1a41e2f0bb5e8308286e3
Status:
ERROR
Block height:
39996038
Block id:
67e61eb1602bd419a057c8eec7d16f76b53fa44cdf8b5825bbb4fa4b32cd6104
Timestamp:
Sunday 30 October 2022 at 16:10:51 UTC
()
Proposer:
Authorizers:
Gas used:
47