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मुझे यह त्रुटि मिल रही है:

विवरण संसाधन पथ स्थान प्रकार आवश्यक पुस्तकालय के लिए पुरालेख: प्रोजेक्ट 'होम' में 'src / Program.java' पढ़ा नहीं जा सकता है या मान्य पिन फ़ाइल नहीं है होम बिल्ड पथ बिल्ड पथ समस्या

यहां छवि विवरण दर्ज करें

छवि विवरण यहां दर्ज करें

इस त्रुटि का क्या कारण है और मैं इसे कैसे ठीक कर सकता हूं?

कृपया नीचे दिए गए नेविगेशन का पालन करें: 

  राइट क्लिक (प्रोजेक्ट) - & gt; जावा बिल्ड पथ - & gt; पुस्तकालयों   
 आगे में  लाल क्रॉस  चिह्न के साथ सभी प्रविष्टियों को ठीक करें। आप विज़ार्ड के दाईं ओर  हटाएं  और  जोड़ें  बटन का उपयोग कर उन्हें भी हटा सकते हैं और उन्हें ताज़ा कर सकते हैं।

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