| Value | Meaning |
|---|---|
| LV2_STATE_SUCCESS0 | < Completed successfully. |
| LV2_STATE_ERR_UNKNOWN1 | < Unknown error. |
| LV2_STATE_ERR_BAD_TYPE2 | < Failed due to unsupported type. |
| LV2_STATE_ERR_BAD_FLAGS3 | < Failed due to unsupported flags. |
| LV2_STATE_ERR_NO_FEATURE4 | < Failed due to missing features. |
| LV2_STATE_ERR_NO_PROPERTY5 | < Failed due to missing property. |
| LV2_STATE_ERR_NO_SPACE6 | < Failed due to insufficient space. |