Message in Arabic (العربية)![](/img/flags/ar.png)
جسيم التسلسل المشتق (<var>X</var>, <var>Y</var>) قيد غير صالح لجسيم الاختيار الأساسي في (<var>Z</var>, <var>A</var>) وفقًا لـ Sequence:Choice -- MapAndSum.
Unlocalized message![](/img/flags/en.png)
The derived sequence particle at (<var>X</var>, <var>Y</var>) is not a valid restriction of the base choice particle at (<var>Z</var>, <var>A</var>) according to Sequence:Choice -- MapAndSum.
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