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Support Article

Mashup does not load in Internet Explorer browser



Internet Explorer browser is unable to load the Pega Mashup page on adding a Mashup parameter with a large value.

Error Messages

Not Applicable.

Steps to Reproduce

  1. Configure a Pega Mashup screen
  2. Pass a large value in the Mashup script.
  3. Run the flow and display the Mashup page

Root Cause

Mashup parameters are passed through the GET method and it creates a URL to pass the parameter. Internet Explorer has a limit on the number of characters that can be passed through it on URL.


Perform the following local-change:

Pass the parameter through the POST method. Use the below code in the Mashup script to send the parameter in the POST method:



Published August 19, 2019 - Updated October 8, 2020

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