If you dream of being astray, it indicates that you may not be on the right path in certain aspects of your life. This can reflect some instability or disappointment you are experiencing. Sometimes, this sense of being lost, or a lack of faith, may signal mental stress or illness. Such a dream serves as a warning that your actions or decisions might be harming others. It encourages you to take a fresh look at your life and relationships.
From Imam Muhammad Ibn Seerin's Dictionary of Dreams According to Islamic Inner Traditions â entry "Astray" (page 22) â resolved via the equivalent "Disbelief" entry.
In a dream, disbelief represents a rich person or becoming one. Disbelief in God Almighty in a dream also means illness, injustice or causing harm to others. Acting silly or impudent or stupidly, or being censured or discredited in a dream also indicates profanity and disbelief in God Almighty. Going astray in a dream means committing a sin or making a mistake. Making a mistake in a dream also signifies heedlessness in wakefulness. Ifone's profanity becomes public knowledge in a dream, it means that he will commit a forgery or make false testimony in court. Disbelief in a dream also means ingratitude or it could denote the state of a sick person when he lies in his deathbed and awaits for his soul to be taken back to its Lord. Disbeliefin a dream also may signify committing the unforgivable act of suicide. (Also see Irreligious)
Note: Islamic dream interpretation depends on the dreamer's circumstances and state. This is a general guide drawn directly from the source book.