A runtime error MESSAGE_TYPE_X happens when a given report tries to exhibit a big amount of data in the WEBGUI (SAPGUI for HTML) within an ALV Grid. Why this happens? How can be fixed?
MESSAGE_TYPE_X in ABAP program SAPLAWRT
How to reproduce the issue? Access the WEBGUI internet service, using a URL like:
https://<FQDN>/sap/bc/gui/sap/its/webgui
From the WEBGUI a report is executed via SE38, e.g. BCALV_TEST_GRID_PERFORMANCE. The number of records to be retrieved is 10,000. As a result, the following dump appears:
Why this happens? Because the dataset (about 82 MB) cannot fit into the 50 MB space available in abap/alvgrid/size_nodod_MB.
How to solve the issue?
There are two alternatives: the easy one and the hard one. The first is increasing the parameter abap/alvgrid/size_nodod_MB to a value that can hold the entire dataset at once. The second solution is trickier: the end user must decide if fewer entries can be used - the less data you need, smaller is the dataset.
For the first solution an instance restart is required, as the parameter is not dynamically switchable.
Important: all the profile parameters are case sensitive: "MB" must be in uppercase!
More information
SAP note 702732 provides information about abap/alvgrid/size_nodod_MB. SAP note 1356836 provides information about the ~ALVGRIDPAGESIZE. You can also read SAP note 1670036, which tells about the new limit in FM ITS_CHECK_ALV_DATA_SIZE.
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