Flow price: --
8b6a5bf8959055cfeb49b4102efc2c15f1add150bb8a0a5bcbf97cc40d663c17

Transaction

Hash: 8b6a5bf8959055cfeb49b4102efc2c15f1add150bb8a0a5bcbf97cc40d663c17
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8b6a5bf8959055cfeb49b4102efc2c15f1add150bb8a0a5bcbf97cc40d663c17:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8b6a5bf8959055cfeb49b4102efc2c15f1add150bb8a0a5bcbf97cc40d663c17
Status:
ERROR
Block height:
40078431
Block id:
3ef0c2694697e08bdf42716d79f59b56113f6bda4bfeb287e39351948c88dd71
Timestamp:
Tuesday 1 November 2022 at 01:09:48 UTC
()
Proposer:
Authorizers:
Gas used:
48