The central, most important, or most serious problem among several in a particular situation or task.
example
Das Hauptproblem bei dem Projekt ist der akute Mangel an qualifizierten Fachkräften.
The main problem with the project is the acute shortage of qualified specialists.
Usage tips
Word formation with 'Haupt-'
The prefix 'Haupt-' means 'central' or 'most important'. It is used in many words to name the most important element of a category, e.g. 'Hauptstadt' (capital city), 'Hauptbahnhof' (main train station), or 'Hauptgericht' (main course).
EXAMPLE
Der Hauptbahnhof dieser Stadt ist ein wichtiger Verkehrsknotenpunkt.
The main train station of this city is an important transport hub.
Sentence structure and use
Common sentence patterns are 'Das Hauptproblem ist, dass ...' (The main problem is that ...), followed by a subordinate clause, or 'Das Hauptproblem liegt in ...' (The main problem lies in ...), followed by a noun in the dative.
EXAMPLE
Das Hauptproblem ist, dass wir nicht genug Zeit für die Aufgabe haben.
The main problem is that we don't have enough time for the task.
Typical verbs
Typical verbs used with 'Hauptproblem' (main problem) are 'lösen' (to solve), 'erkennen' (to recognize), 'identifizieren' (to identify), or 'angehen' (to tackle).
EXAMPLE
Die Ingenieure versuchen, das Hauptproblem der Maschine zu identifizieren.
The engineers are trying to identify the machine's main problem.