Your key index expression evaluated to NULL, which is an invalid value an index. This can often happen with a primary or candidate keys.
Change record values so the expression does not evaluate to NULL.
js editor
Web development
| Visual FoxPro 9.0 |
| Index does not accept NULL (Error 1886) |
Your key index expression evaluated to NULL, which is an invalid value an index. This can often happen with a primary or candidate keys.
Change record values so the expression does not evaluate to NULL.
js editor
Web development