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Hey Afriyie, have you also checked this file? "C:\Users\USERNAME\Documents\Valentin EnergieSoftware\Installation.ini" Also, you can check all older PVSOL.ini files in each subfolder of "C:\Users\USERNAME\Documents\Valentin EnergieSoftware\"   Hope that helps, kind regards, Martin

Dear Mikio,   perfect! Thank you very much.

Hello  Can anyone please help me with this topic  "Accrued Cash Flow (Cash Balance)" I don't know how it is calculated. My investment is around  178 131.26 €  including 2 500€ one-off payment for the first year. Whereas the Accrued Cash Flow (Cash Balance) for the first year is showing 249 523.18 €.  I don't know where 71k€ balance is coming from. Thanks ahead for your response      Year 1 Year 2 Year 3 Year 4 Year 5 Operating costs -4 748,43 € -4 809,67 € -4 871,97 € -4 935,35 € -4 999,82 € One-off Payments -2 500,00 € 0,00 € 0,00 € 0,00 € 0,00 € Feed-in / Export Tariff 17 369,43 € 17 291,03 € 17 212,63 € 17 134,24 € 17 055,84 € Loan repayments -5 981,96 € -6 221,24 € -6 470,09 € -6 728,89 € -6 998,05 € Loan Interest -7 125,25 € -6 885,97 € -6 637,12 € -6 378,32 € -6 109,16 € Annual Cash Flow -486,21 € -625,85 € -766,55 € -908,32 € -1 051,19 € Accrued Cash Flow (Cash Balance) -486,21 € -1 112,06 € -1 878,61 € -2 786,93 € -3 838,12 € Accrued Cash Flow (Cash Balance) minus pending loans -249 523,18 € -237 041,83 € -224 701,16 € -212 502,27 € -200 446,25 €            

Hello Tade, There is no clear answer to your question, but I will try to clarify the situation anyway. From version 2025 R1, there will be an option in the software to switch from a new user license to an old perpetual license. However, an internet connection is required for this option, as the user license must be “switched off” on the license server. Nevertheless, there are two possible solutions to your problem: Firstly, you can activate an “old” program version (before 2025 R1) with the serial number of the perpetual license and use a “new” program version (after 2025 R1) with the user license in parallel. If there is no internet available, you can continue working with the “old program version”. However, it would be easier if you used the new “Offline Mode” of our user licenses. With an available internet connection, a user license can be taken “offline” for a period of one to five days. This means that the user license also works completely offline, but can only be used on the corresponding device during this period. This “Offline Mode” can be interrupted at any time or extended as often as required (when an internet connection is available again). I hope that answers your question. Kind regards, Martin

@developer_fw im trying to update to PVSOL 2024 R8 here is the error message,    even though read only for PVSOL.ini has been disabled.