Flow price: --
57fce71a61845f14ddf9524fa5db56940cdf8301ab0683ff0a536000536de645

Transaction

Hash: 57fce71a61845f14ddf9524fa5db56940cdf8301ab0683ff0a536000536de645
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 57fce71a61845f14ddf9524fa5db56940cdf8301ab0683ff0a536000536de645:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
57fce71a61845f14ddf9524fa5db56940cdf8301ab0683ff0a536000536de645
Status:
ERROR
Block height:
40044728
Block id:
27f420b580b6bf659930352b2bb95b7c719a21681c60123ebaf50bbf3284b0f0
Timestamp:
Monday 31 October 2022 at 11:38:36 UTC
()
Proposer:
Authorizers:
Gas used:
47