dynpro_language_area is a SAP Parameter attribute which is used to control Size of Dynpro Language- Dependent Load Area information. This is available within R/3 SAP systems depending on the version and release level.
Below is the standard documentation available and a few details of the attributes values .
Size of Dynpro Language- Dependent Load Area
Size of the memory area allocated for the Dynpro (Screen)
Language-Dependent Load Area (D021L). Occurs if the dynpro texts
are not generated correctly (error message
00/014) which means
the area memory is too small.
See SAP Parameter Documentation for full SAP documentation for this profile parameter.