There are many reasons for the audit failure. You can find the specific reasons below “Audit Failed,” as shown in the image below:
Common reasons for audit failure include the following:
1. The drill size is less than 0.2mm;
2. The min trace width/spacing is less than 0.1mm;
3. Lack of information (such as missing solder mask layer, missing silkscreen layer, missing copper layer, missing drill layer);
4. The gerber provided cannot be opened;
5. The PCB outline is incomplete;
6. The spacing from the PCB outline to the copper is less than 0.2mm, which may cause exposed copper;
7. The hole was drilled onto the trace;
8. …