**Originated From:** [https://products.aspose.app/slides/merger/combine-ppt-to-ppt/navigation/uploaded/errorReportForm/errorReportSuccess/errorReportForm/errorReportForm/errorReportForm](https://products.aspose.app/slides/merger/combine-ppt-to-ppt/navigation/uploaded/errorReportForm/errorReportSuccess/errorReportForm/errorReportForm/errorReportForm)
**Exception:** Invalid file, please ensure that uploading correct file
{"IsSuccess":false,"idError":"InvalidFile","Message":"Unknown file format."} undefined
files.zip (22 Bytes)
Please share the problematic Slides and we’ll investigate this issue.