Stl File Errors

[2023-04-13 17:57:30] Appeng → : Workflow started (job_id: a8f59ce0-da24-11ed-9d25-113593f05e44)
[2023-04-13 17:57:30] AppengTask → : Welcome on board, Maker!
[2023-04-13 17:57:30] AppengTask → : 3DPrinterOS system is ready
[2023-04-13 17:57:30] AppengTask → : Now I am checking all available operations for this job…
[2023-04-13 17:57:30] AppengTask → : Number of 3D apps to run: 1 and data: Array
(
[18] => Array
(
[im_w] => 640
[im_h] => 480
)

)

[2023-04-13 17:57:30] AppengTask → : Input: 11131885
[2023-04-13 17:57:31] AppengTask → : Trying to start application: Stlrender
[2023-04-13 17:57:31] AppengTask → : Start Stlrender input_file_id: 11131885
[2023-04-13 17:57:31] Stlrender → : App was started
[2023-04-13 17:57:31] Stlrender → : STL color parser terminated with code 134
[2023-04-13 17:57:31] Stlrender → : Error: Parsed STL files does not exists
[2023-04-13 17:57:31] Stlrender → : App ends. State: FAILED
[2023-04-13 17:57:31] AppengTask → : Application: Stlrender quit with errors. Failed.