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How to fix the error of Unsolved External Symbol ‘max’ & ‘min’ after UMAC

Issue

After converting the program by UMAC3.15, customer fail to build the program with IEC_BMDI_Q block in Control Expert, and reports the error information as bellow:
Linker – Unresolved External Symbol: “max”
Linker – Unresolved External Symbol: “min”
Error screen

Product Line

Control Expert V14.0, UMAC 3.15

Environment

Control Expert V14.0, Win10 64Bit SP1

Resolution

Please install the “UMACLibInstaller.exe” from the attached for installing the UMAC library into the Control Expert V14.0. Then open the application and build to check whether the error has been fixed.

Released for: Schneider Electric Belgium

Attachment(s)

Unresolved External Symbol.png

[129.12 KB]

UMACLibInstaller.exe

[361.08 KB]

Published on:13/11/2019Last Modified on:22/4/2026

Range:

EcoStruxure™ Control Expert

Range:

EcoStruxure™ Control Expert

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How to fix the error of Unsolved External Symbol ‘max’ & ‘min’ after UMAC

Released for: Schneider Electric Belgium

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