Flow price: --
2812e7cc8199a7e914055626d8f9a2b661dbcd9761164e4f05b8a5bd4f702a23

Transaction

Hash: 2812e7cc8199a7e914055626d8f9a2b661dbcd9761164e4f05b8a5bd4f702a23
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2812e7cc8199a7e914055626d8f9a2b661dbcd9761164e4f05b8a5bd4f702a23:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2812e7cc8199a7e914055626d8f9a2b661dbcd9761164e4f05b8a5bd4f702a23
Status:
ERROR
Block height:
39866866
Block id:
cf3f9a2c10eb0ed331449116c0222a28588d139f64a16f320c1bbad5ba1cd199
Timestamp:
Friday 28 October 2022 at 12:34:05 UTC
()
Proposer:
Authorizers:
Gas used:
50