मन्त्रहीनं क्रियाहीनं भक्तिहीनं सुरेश्वर
यत्पूजितं मयादेव परिपूर्णं तदस्तु मे ।
अपराध सहस्राणि क्रियन्तेऽहर्निशं मया
दासोऽयं इति मां मत्वा क्षमस्व पुरुषोत्तम ॥

Meaning:
Oh Lord of Lords, whatever shortcomings that may be there in the mantras chanted by me, or in the actions and puja, or even in my devotion itself, let them be overcome and be made complete when I worship you with devotion. Oh Lord, there may be thousands of mistakes committed by me day and night. Please consider me as your humble servant and forgive these Oh Supreme Lord.

Word meanings:
मन्त्रहीनं = one who does not know the mantra or who is without the mantra;
क्रियाहीनं = devoid of any actions;
भक्तिहीनं = one who is bereft of devotion;
सुरेश्वर = Oh! master of the gods or adj.;
यत्पूजितं = that worshipped;
मया = by me;
देव = god;
परिपूर्णं = the most complete;
तदस्तु = let that be;
मे = to me or my;
अपराध = at (M.acc.) offence; guilt; defect; mistake;
misdeed;(M.nom.) offence; crime; guilt; sin;
सहस्राणि = thousands;
क्रियन्तेऽहर्निशं = are (being) done day and night;
मया = by me;
दासोऽयं = this servant;
इति = thusthus;
मां = me;
मत्वा = having thought or considered;
क्षमस्व = Excuse (me or us);
पुरुषोत्तम = Oh! the best person;