Issue during Migration of Asset accounting from ECC to S/4 2023

Hello Experts,

I person an contented during migration from ECC to S/4 2023 successful Asset accounting. I person completed each the configurations and migration steps for S/4 Hana, successful prerequisite measurement besides I didn't find immoderate mistake hence I acceptable migration implicit successful portion investigating client. However, While performing UT for depreciation I ended up with error 

Processing terminated owed to RFC error

Message No. AA765

Diagnosis

Processing was terminated oregon portion of processing was terminated due to the fact that of an mistake successful the Remote Function Call. A runtime mistake has astir apt occurred.

System Response

No information has been lost. However, immoderate of the fixed assets were not processed successfully.

Procedure

Inform your strategy head for a further anaylsis.

After adjustments person been successful, you tin commencement the programme again.

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With further investigation I recovered that caller plus accounting activation presumption is marked arsenic "Active - posting not imaginable successful client". I besides recovered that  successful the existing ECC mentation for immoderate crushed concern did not implicit depreciation for FY2015, I tried to execute it for FY2015 but it doesn't let due to the fact that of RFC mistake mentioned, and play closing is besides not imaginable due to the fact that depreciation for FY2015 is complete. 

Did idiosyncratic faced aforesaid contented and if immoderate solution oregon proposition is greatly appreciated!!!

SAP S/4HANA Finance