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Troubleshooting “Invalid Detail String -038” Error & DLA Contract Search for Jet A with FSII

This guide helps resolve the “Invalid Detail String -038” error and provides instructions for searching DLA Contract information when handling Jet A fuel products with FSII (Fuel System Icing Inhibitor)

Jessi McCombs avatar
Written by Jessi McCombs
Updated over a month ago

Common Causes of the Error

  • Incorrect Payment Settings configuration in X-1

  • Misalignment between product description and bundling settings.

  • Merchant ID not properly configured by the contract fuel supplier.


Step-by-Step Troubleshooting

1. Verify DLA Contract Information

  • Confirm if your FBO holds a DLA Contract for the product. AIR Card®

  • Check the Contract Fuel Products listing:

    • If Contract Fuel Products shows “Jet A w/Additive”

      • Jet A and FSII lines should be bundled.

      • Action: Ensure the Unundled checkbox is NOT checked in X-1 Payment Settings.

    • If Contract Fuel Products shows “FSII Ice Inhibitor”

      • Jet A and FSII lines must be unbundled.

      • Action: Ensure the Unundled checkbox IS checked in X-1 Payment Settings.


2. Verify Correct Payment Settings with X-1 Support

Here is where the setting exists but if you're not comfortable making updates in Payment Settings, please contact Support and we will apply the correct configuration for your FBO once you confirm your set up.

FBO Settings - Payment Settings - (Locate Contract Fuel Supplier) - Select AIR Card

  • Confirm configuration matches the product type:

    • Jet A w/Additive → Unbundled (Box NOT checked)

    • FSII Ice Inhibitor → Unbundled (Box checked)


3. If Settings Are Correct and Issue Persists

  • Contact the Contract Fuel Supplier via email.

  • Request verification that the Merchant ID is correctly configured on their end.


Best Practices

  • Double-check product descriptions before adjusting payment settings.

  • Document all communication with suppliers for compliance and audit purposes.


Need More Help?

If you continue to experience issues after following these steps, please reach out to X-1 Support or email your Contract Fuel Supplier for assistance.


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