Posted on January 21, 2023 (Updated on July 10, 2025)

Dissolve in ArcMap gives ERROR 999999

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How do I fix error 999999 in ArcGIS?

Troubleshooting Error 999999 in ArcMap and ArcGIS

  1. Restart ArcMap/Your Computer.
  2. Try the operation in a blank map document or in ArcCatalog.
  3. Check your input and output workspaces.
  4. Check the names of your inputs and outputs.
  5. Disable Background Geoprocessing.
  6. Check your projections/coordinate systems.

What is LP error code 999999?

Error: 999999: Error executing function. The value being added to the CodedValueDomain already exists.
 

How do I use the Dissolve tool in ArcMap?

How To Use the Dissolve Tool in ArcGIS. In ArcGIS, you can access the Dissolve Tool through the Data Management Tools in the Generalization Toolset. The main option is setting the field(s) in which you want to dissolve. By selecting any statistics, you can summarize values such as by sum, mean, minimum, or maximum.
 

How do you dissolve boundaries in ArcGIS?

There are two methods for dissolving boundaries: overlapping or adjacent areas and field value. The Dissolve Boundaries tool has the option to calculate statistics on numerical fields for areas that are being dissolved together. The statistics include sum, average, minimum, maximum, and standard deviation.

How do I fix errors in ArcGIS?

Errors can be corrected by making edits to the feature geometry, attribute values, network rules, or subnetwork definition. The next time the network topology is enabled or validated, the features with errors are evaluated. Dirty areas that have associated errors will remain until the error situation is corrected.

How do I fix a broken data source in ArcGIS?

To repair a broken data source connection for a layer or stand-alone table, follow these steps:

  1. In the Contents pane of a map, right-click the dataset, and click Properties.
  2. On the Source tab, click Set Data Source.
  3. On the dialog box that appears, browse to the data source, select it, and click OK.


What is error code SLP 999?

SLP-999 – Unable to Complete Request. Wait a few minutes, then restart the app and try again. SUC-1002 – Service Temporarily Unavailable. Wait a few minutes, then restart the app and try again.

What is LP fault?

A low-pressure fault in a chiller plant means that the inlet pressure of the compressor is too low, causing the low-pressure protection relay to act. The normal compressor suction pressure of a room temperature chiller should be 0.3~0.45 Mpa and the protection value is set at 0.2 Mpa.
 

What does ineligible mean on LP findings?

Quote from video:

How do you fix an unknown spatial reference in ArcGIS?

Error: Unknown Spatial Reference

  1. Solution: In ArcMap, go to the tool box:
  2. Under “Data Management Tools” > “Projections and Transformations” select “Define Projections”
  3. Select the file that needs a world file:
  4. Select the correct coordinate system:

How do I fix ArcGIS License Manager running on host not set?

Verify ArcGIS License Manager is running



Navigate to Start > All Programs > ArcGIS > License Manager, and launch the License Server Administrator on the host machine. Check if the License Server Status is set to RUNNING.
 

How do I change the number format in ArcGIS pro?

In this topic

  1. Right-click a layer or table in the Contents pane.
  2. Choose Data Design from the context menu and click Fields.
  3. Click the cell in the Number Format column for the row of the field you want to format.
  4. In the highlighted cell, click the Options button.
  5. Select a format category.
  6. Click OK.