error executing rsdtimetctmreadclasscheck exe 2021

The error "error executing rsd_time_tct_mreadclass_check.exe" (often seen with the 2021 date or version context) is specifically associated with SAP Business Warehouse (BW) setup tasks. It typically occurs during the validation phase of initial setup tasks like SAP_BW_SETUP_INITIAL_S4HANA. Error Overview Component: SAP BW / S/4HANA Tasklist. Task: "Check Masterdata Read Classes." Phase: Validation.

Using Process Monitor (ProcMon)

  1. Download ProcMon from Microsoft Sysinternals.
  2. Set a filter for Process Name contains RSDTimeTCTMReadClassCheck.exe.
  3. Run the failing operation and look for ACCESS DENIED or FILE NOT FOUND errors.
  1. C++ Redistributables: This error often stems from corrupted Microsoft Visual C++ libraries. Go to Control Panel > Programs and Features and try Repairing all entries for Microsoft Visual C++ 2015-2019 Redistributable.
  2. Customization/Plugins: If you have third-party plugins (like Civil 3D object enablers or custom LISP routines), try disabling them first by holding down the Shift key while starting the software.

Q3: Is this error specific to a certain industry?

A: Yes, reports are most common in manufacturing, logistics, and healthcare—sectors using custom time-tracking solutions.

Two likely culprits to check on your own: