I type "stock" into the search field (bottom of timeline window) and click the arrow forward and Avid crashes.  

Process:               AvidMediaComposer [2328]

Path:                  /Applications/Avid Media Composer/AvidMediaComposer.app/Contents/MacOS/AvidMediaComposer

Identifier:            com.avid.mediacomposer

Version:               18.12.10.53650 (18.12.10)

Code Type:             X86-64 (Native)

Parent Process:        ??? [1]

Responsible:           AvidMediaComposer [2328]

User ID:               501

Date/Time:             2020-02-05 12:05:35.749 -0500

OS Version:            Mac OS X 10.13.6 (17G10021)

Report Version:        12

Anonymous UUID:        BB0A596B-8567-0AA1-EBDE-9E534EB276D4

Time Awake Since Boot: 1200 seconds

System Integrity Protection: enabled

Crashed Thread:        0  CrBrowserMain  Dispatch queue: com.apple.main-thread

Exception Type:        EXC_CRASH (SIGABRT)

Exception Codes:       0x0000000000000000, 0x0000000000000000

Exception Note:        EXC_CORPSE_NOTIFY

It seems to be tied to a timeline view I have tied to a Workspace view, so whenever I launch Avid it defaults to that timeline view.  When I switch to another timline view I can type "stock" and search without crashing.