Flow price: --
257de182ba800d515678005c9f9a0f2351247f64d78beb54c953e171d775bac1

Transaction

Hash: 257de182ba800d515678005c9f9a0f2351247f64d78beb54c953e171d775bac1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 257de182ba800d515678005c9f9a0f2351247f64d78beb54c953e171d775bac1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
257de182ba800d515678005c9f9a0f2351247f64d78beb54c953e171d775bac1
Status:
ERROR
Block height:
40036624
Block id:
0da1e7c8662853334d2f175187ef3a6f6273fe09b0d52416321c164eb00cdaf7
Timestamp:
Monday 31 October 2022 at 08:22:27 UTC
()
Proposer:
Authorizers:
Gas used:
50