Please report after seeing FAQ.

Please write the contents of the bug in detail referring to the writing example below and send it to the following e-mail address.

Notes
Support of OS3 Ver.1.52 and OS128XL Ver.1.81 and OS128SP was ended.
We can not fix bugs that we can not reproduce.

Examples
1. OS-XL
2. Ver.3.xx
3. MPC is turned on.
4. Load project
5. Go to Song mode.
6. Press Full Level while playing a song.
7. Current sequence starts looping.

Please send to the following address.
jjsoft-mpc2500bg@memoad.jp