How to Fix Error 6000: Invalid Integer Characters in Your Listings
Error 6000 occurs when bulk‑upload numeric columns contain non‑integer characters such as "$", commas or decimals (e.g., "5,0"). Amazon’s error report pinpoints the exact cell, and fixing it requires re‑formatting the column as Number with zero decimals and re‑uploading the .txt or .xlsx file.
Overview
Amazon’s validation engine flags “Error 6000: Invalid Integer Characters” whenever a numeric field in a bulk upload contains characters that are not plain whole numbers. The issue appears during flat‑file or inventory‑feed submissions and can halt the processing of new or updated listings. Sellers must understand the root cause and apply a systematic fix to keep bulk uploads running smoothly.
Key Points
- Whole‑number requirement — Fields that trigger Error 6000 accept only non‑negative integers such as 0, 1, 25, or 500; negative values, decimals, or text are rejected.
- Typical offenders — Currency symbols ($), commas, letters (e.g., “A”), or punctuation inserted into numeric columns will cause the error.
- Decimals are invalid — Entering “7.0” instead of “7” leads to a failure, even though the value is mathematically equivalent.
- Fractions are not parsed — Entries like “1/2” or “3/4” cannot be interpreted as integers and will be blocked.
- Error report pinpoints characters — Amazon’s feedback lists the exact characters that broke validation, allowing sellers to locate the problem quickly.
How to Resolve Error 6000
- Read the error details — Open the error report; it will name the column and show the offending characters (e.g., “Quantity contains ‘5,0’”).
- Locate the problematic cell — In your spreadsheet, navigate to the indicated row and column; you might see “5,0” or “$12”.
- Strip non‑numeric symbols — Delete any dollar signs, commas, spaces, or letters, leaving only digits (e.g., change “$12,000” to “12000”).
- Convert decimals to integers — If the cell reads “8.5”, decide the correct whole number (usually rounding down or up per inventory policy) and replace it with “8” or “9”.
- Replace fractions with whole numbers — For “1/2”, determine the appropriate integer quantity (often “0” or “1”) and enter that value.
- Set column formatting — In Excel or Google Sheets, format the column as “Number” with zero decimal places; this prevents the program from auto‑adding commas or periods.
Analysis & Recommendations
Why This Matters
Each failed upload blocks new product launches, seasonal restocks and daily inventory updates, adding minutes to troubleshooting and delaying revenue. A single error can stall dozens of SKUs, especially during peak periods.
Key Takeaways
- Error 6000 flags any non‑negative integer field containing symbols like "$", commas, spaces, decimals or fractions.
- The Amazon error report shows the exact offending characters, e.g., "Quantity contains ‘5,0’".
- Setting the column format to “Number” with 0 decimal places prevents Excel from inserting commas or periods.
- A cleaning formula such as =VALUE(SUBSTITUTE(SUBSTITUTE(A2,"$",""),",","")) converts text like "$1,250" to 1250.
Recommended Actions
- →Open the error report in Seller Central > Inventory > Add Products via Upload, note the column and characters listed.
- →In the spreadsheet, format the affected column as Number with zero decimal places and remove symbols using SUBSTITUTE or VALUE functions.
- →Save the file as .txt or .xlsx and re‑upload via Seller Central > Inventory > Add Products via Upload.
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