I guess your content pack might have violate some restrctions. See more https://powerbi.microsoft.com/en-us/documentation/powerbi-developer-content-pack-authoring/
Summary of restrictions
As listed in the above sections, currently the template content packs have a set of restrictions:
| Supported | Not Supported |
| Datasets built in PBI Desktop | Datasets from other content packs or inputs such as Excel files |
| Data source supported for cloud Scheduled Data refresh | Direct query or on-prem connecitivty is not supported |
| Queries returning consistent schema or errors where appropriate | Dynamic or custom schemas |
| One data source per dataset | Multiple data sources such as mashups or URLs that are detected as mutliple data sources |
| Parameters of type text | Other parameter types (such as date) or "list allowed of values" |
| One dashboard, report and dataset | Multiple dashboards, reports or datasets |