Braces are mismatched in the search query. A left brace must have an accompanying right brace.
Perform the following:
- Correct the search syntax by performing one of the following:
- Close the expression by adding a right brace to the right of the left brace. For example, the expression "{General:Document="*"" should be changed to "{General:Document="*"}".
- Remove the left brace. For example, the expression "{a & b" should be changed to "a & b".
- Perform the search again.