If an error message is displayed when Piapro Studio is loaded,
check the Q&A for the error message below.

• Failed to load Piapro Studio. (E02)
• Failed to load Piapro Studio. (E04)
• Only one track can be used in Piapro Studio. (E10)
• Database required for the operation of Piapro Studio has not been activated. (E3-C52 / E4-C52 / ES4-C52)
• VOCALOID4 Voice Library required for the operation of Piapro Studio has not been installed. (E4-C51)
• Initializing Piapro Studio failed. (E-E01)
• VOCALOID API has not been installed. (E-A20 / E-A41)
• An error has occurred in the VOCALOID API. (E-A22 / E-A42)
• VOCALOID3 has not been installed. (E-V10)
• VOCALOID4 has not been installed. (E-V30)