The error is because of the ampersand (&) character, one of the JSON structure characters, and the percent (%) character, which OSCE reads as unicode. The parser is unable to determine these characters.
The following characters cannot be used for the proxy account password:
| Number sign | # |
| Percent | % |
| Ampersand | & |
| Dollar sign | $ |
The following characters can be used for the proxy account password:
| Backslash | \ |
| Slash | / |
| Tilde | ~ |
| Exclamation point | ! |
| At sign | @ |
| Left brace | { |
| Right brace | } |
| Less than | < |
| Greater than | > |
| Question mark | ? |
| Asterisk | * |
| Comma | , |
| Period | . |
| Double quote | " |
| Single quote | ' |