Take caution, you may be being warned of upcoming danger or loss in the near future. Read and reread before signing anything. Be especially attentive to any loopholes either written or verbal. Watch for any large potholes or the like when driving (or walking). Are you involved in a non-ending situation, relationship, etc.(or about to become involved in one)? You may receive an invitation or opportunity to experience adventure (possibly one with danger involved).
If the dreamer falls into one, a caution is being given not to get involved in something that will cause you misfortune. It could be of a personal nature.
If the dreamer does not fall, but explores into the abyss, it is an indication that unconscious/subconscious matters are trying to come to light to be released from the dreamer. They are seeking resolution and completion so peace may be gained in those areas. Also - This is an obstacle dream.
If you avoid the fall, you will overcome your difficulties; however, if you fall into the abyss, it is a warning that you must be extremely careful in your business dealings. ... The Bedside Dream Dictionary