Fix SyteLine Report Generation Failures and Errors
Report generation failures in SyteLine disrupt critical business processes—purchase orders fail to print, financial statements miss deadlines, and shop floor travelers cannot be issued. Whether you are using SSRS, Mongoose, or legacy Crystal Reports, the error patterns share common root causes. This guide covers the exact error messages and their resolution paths for every SyteLine reporting stack.
SSRS Report Rendering Failures
The most common SSRS error in SyteLine is "An error occurred during report processing. Cannot create a connection to data source 'SyteLineDS'." This indicates the SSRS data source credentials have expired, the SQL Server service account lacks access, or the connection string points to the wrong database after a refresh from production. The secondary error "Report Server has encountered a SharePoint error" appears in SyteLine 10+ environments where SSRS integrated mode is misconfigured.
- Error: "Cannot create a connection to data source 'SyteLineDS'" — open SSRS Report Manager > Data Sources > SyteLineDS, verify the connection string database name and server, test the connection, and update stored credentials if using SQL authentication
- Error: "Subreport could not be shown" — verify all subreport .rdl files are deployed to the same SSRS folder and that subreport parameter names exactly match the parent report's parameter bindings
- Error: "The report definition has an invalid target namespace" — the .rdl was created in a newer version of Report Builder; open the .rdl in a text editor and change the xmlns namespace to match your SSRS version (2008, 2016, or 2017)
- Error: "rsProcessingAborted" with no detail — check the SSRS execution log at [SSRS Install]\LogFiles\ReportServerService*.log for the underlying SQL error, which is often a query timeout or permissions issue
Report Parameter and Data Binding Errors
Parameter binding failures produce the error "The value provided for the report parameter 'SiteRef' is not valid for its type" when the SyteLine form passes a null or incorrectly typed value to the report launch. These are especially frequent with multi-site configurations where SiteRef, WhseRef, or CompanyNum parameters are not populated from the user's session context. Data binding errors where report fields show #Error indicate the dataset query returned NULL for a non-nullable calculated field.
- Error: "Parameter 'SiteRef' is not valid for its type" — in the SyteLine Report form, verify the parameter mapping links the SiteRef parameter to the SessionContext.SiteRef property, not a hardcoded value
- Report fields showing #Error — open the report in Report Builder, check calculated field expressions for division by zero or null concatenation, and wrap with IIF(IsNothing(Fields!FieldName.Value), 0, Fields!FieldName.Value)
- Error: "The number of parameters specified is not equal" — the report .rdl was updated with new parameters but the SyteLine Report form's parameter collection was not refreshed; open Forms > Report Forms > re-import the parameter definitions
- For multi-company reports, ensure the StoredProcedure uses @CompanyNum parameter filtering and the SSRS shared data source is not hardcoded to a single company database
Mongoose and Crystal Reports Legacy Issues
SyteLine environments still running Mongoose reports encounter the error "Mongoose report server is not responding" when the Mongoose service crashes due to memory pressure from concurrent report requests. Crystal Reports legacy integrations produce "Failed to open the connection. Details: ADO Error" when the OLE DB provider is missing on 64-bit servers. Both legacy platforms require specific migration strategies to move to SSRS.
- Error: "Mongoose report server is not responding" — restart the Mongoose Report Server service, then check the Windows Event Log for OutOfMemoryException entries; increase the service memory limit in MongRptSvr.exe.config or limit concurrent report execution to 5 threads
- Error: "Failed to open the connection. Details: ADO Error" for Crystal Reports — install the 32-bit Microsoft OLE DB Provider for SQL Server and configure the Crystal runtime to use the 32-bit provider via CrystalDecisions.config
- Migrate Mongoose .mrt files to SSRS by exporting the report layout to XML, recreating datasets in Report Builder, and mapping each Mongoose formula to an SSRS expression
- Schedule legacy report migration in phases: start with financial reports (highest business impact), then manufacturing shop floor documents, then ad-hoc user reports
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