From: Mustafa Tekpinar (
Date: Sat Apr 25 2020 - 19:37:45 CDT

Here is an error log from HBonds Calculation (Timeline was also giving the

version conflict for package "msgcat": have 1.4.2, need 1.6

version conflict for package "msgcat": have 1.4.2, need 1.6

    while executing

"package require msgcat 1.6"

    ("uplevel" body line 2)

    invoked from within

"uplevel \#0 {

    package require msgcat 1.6

    if { $::tcl_platform(platform) eq {windows} } {

        if { [catch { package require registry 1.1 }] } {


    (file "/Applications/VMD" line 21)

    invoked from within

"source -encoding utf-8 [file join $TclLibDir clock.tcl]"

    (procedure "::tcl::clock::scan" line 3)

    invoked from within

"clock scan now"

    (procedure "::hbonds::hbonds" line 325)

    invoked from within

"::hbonds::hbonds -gui 1 -dist $::hbonds::guiDist -ang $::hbonds::guiAng
-writefile $::hbonds::guiWrite -outdir $::hbonds::guiOutdir -frames

    invoked from within

".hbonds.control.button invoke"

    ("uplevel" body line 1)

    invoked from within

"uplevel #0 [list $w invoke]"

    (procedure "tk::ButtonUp" line 23)

    invoked from within

"tk::ButtonUp .hbonds.control.button"

    (command bound to event)

On Fri, Apr 17, 2020 at 9:41 PM John Stone <> wrote:

> Dear VMD-L,
> I've been making 64-bit VMD builds for MacOS X Catalina (10.15.x)
> and I've started posting these early test versions for others to try out.
> During the COVID lockdown my VMD build/test process is much more complex
> than
> usual, so it took much much longer than I expected to be able to build/test
> effectively on Catalina, sorry for the long delay. I don't have any test
> hardware other than a Mac Mini available to me during lockdown, so I will
> benefit greatly from bug reports and feedback from VMD users that have
> laptops and other systems running Catalina, e.g. on retina displays, etc.
> I'm still working through adding various optional plugins and some missing
> VMD rendering features that were always available on Linux and that
> can finally be added for 64-bit MacOS X, so I expect to be posting
> updated test builds frequently over the next week or two. Since
> these are changing rapidly, I'd like to get testing feedback from
> VMD-L mailing list members before making them more broadly available.
> I will continue posting updated test builds here as I make progress
> adding in the missing items and addressing bug reports etc:
> Once I'm satisfied that the new versions are reasonably stable based
> on user feedback, I will begin posting them on the standard public
> VMD download area and the alpha test page will be updated to indicate this.
> Best regards,
> John Stone
> --
> NIH Center for Macromolecular Modeling and Bioinformatics
> Beckman Institute for Advanced Science and Technology
> University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
> Phone: 217-244-3349

Mustafa Tekpinar, PhD
Pasteur Institute
25-28 Rue du Dr Roux
75015 Paris, France