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Understanding errors in a data page

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Updated on January 29, 2021

Data pages store the data that cases use for populating properties, calculations or other processes. Developers determine where that data originates and how it gets to where it is supposed to be by defining data sources on the data page record.

Error handling in data pages

Error handling in data pages can be accomplished through various methods. Some of these methods are relevant in different parts of the data-handling process. Pega Platform provides developers with the necessary tools to create custom error-handling responses for specific data page errors without using activities.

Error occurrences

Data page errors occur for a variety of reasons, which all prevent data from loading as expected. Examples of the causes of data page errors include system errors, invalid input, using keys that are not on a keyed page list, connection problems, and security or authorization issues.

Error types

Invocation errors and data source errors are the two types of errors that occur with data pages. For more information about handling these errors, see the following articles:

  • Previous topic Use case: Loading data into a page list property
  • Next topic Populating a data page by using a report definition
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