I’ll walk through a complete solution addressing all three focus areas:
EIB Export Validation: Your EIB template has strict validation rules that are failing before any data processing occurs. First, open your EIB workbook template and go to the Field Definitions tab. Locate the Entry_Date field and examine its validation rules. You’ll likely see a Format Mask set to “MM/DD/YYYY” with validation set to “Strict”. The problem is that this strict validation rejects any format variation, including ISO format dates. You have two options: either change the Format Mask to accept multiple formats by setting it to “Auto-detect” (less recommended for production), or ensure your report outputs exactly the expected format (recommended). Also check the “Allow Blank” setting - if this is set to “No” and your report has any null dates, the validation will fail on the first blank value before checking format issues.
Date Field Formatting: Now let’s fix the Report Writer report. The issue is with your calculated date fields. Open your report in Report Writer and identify all date fields, especially any calculated ones. For each date field that’s included in the EIB export, you need to apply explicit formatting. Here’s the correct approach - wrap each date field in a Format_Date function:
Format_Date(Entry_Date, "MM/DD/YYYY")
For calculated date fields (like Entry_Date + 7 days), the syntax is:
Format_Date(Add_Days(Entry_Date, 7), "MM/DD/YYYY")
The key is that ANY date manipulation or calculation resets the format to ISO default, so you must re-apply formatting after calculations. Also verify your report’s global output settings: Report Properties > Output Format > Date Convention should be set to “US Format” not “ISO Format”. However, this global setting doesn’t always override calculated field defaults, which is why explicit Format_Date functions are necessary.
Custom Report Error Handling: To prevent future issues and get better diagnostics, implement proper error handling in your integration chain. First, add a pre-validation step before the EIB export. Create a simple Report Writer report that runs the same date field logic but outputs to a validation log instead of EIB. This validation report should include these checks:
<validation>
<check field="Entry_Date"
test="Is_Valid_Date(Entry_Date, 'MM/DD/YYYY')"/>
<check field="Entry_Date"
test="Not_Null(Entry_Date)"/>
<check field="Entry_Date"
test="Date_Between(Entry_Date, '01/01/2020', Today())"/>
</validation>
Run this validation report first, and only proceed to EIB export if validation passes. Second, modify your EIB integration to use “Lenient” validation mode during the initial import phase, then switch to “Strict” validation only after data is loaded. This gives you better error messages - lenient mode will process all rows and report ALL format issues, not just fail on the first one. You can configure this in the EIB template under Advanced Settings > Validation Mode.
Third, implement better error logging. In your integration setup, enable detailed error output by setting the EIB Error Handling option to “Generate Error Report”. This creates a separate error file that shows exactly which rows and fields failed validation, with the actual values that caused failures. This error report should be automatically emailed to your integration team.
For your immediate issue, download the XML output from your Report Writer report (Report > Actions > Export > XML), open it in a text editor, and examine the actual date format in the Entry_Date elements. You’ll likely see YYYY-MM-DD format. Apply the Format_Date fixes I described above, regenerate the report, verify the XML now shows MM/DD/YYYY format, and then your EIB export should process successfully.
This draft is based on general Workday knowledge. It has not been verified against your specific version and environment. Practitioners: verify the steps and share your experience below.