# E_UNCLOSED_CURLY_BRACE

This exception is raised when the number of `opened` and `closed` mustache braces mis-matches.

#### Invalid

```edge
{{ 2 + 2 }
```

```edge
{{{ `<p>${username}</p>` }}
```

Following are the valid expressions

#### Valid

```edge
{{ 2 + 2 }}
```

```edge
{{{ `<p>${username}</p>` }}}
```