Magnifying glass search zone error Failed to execute [velocity] macro. Cause: [Connection reinitialized by correspondent (Write failed)]

Hello,
all of a sudden, we get the following systematic error when performing any search via the global search zone (magnifying glass)
Failed to execute [velocity] macro. Cause: [Connection reinitialized by correspondent (Write failed)]. Click on this message for more details.
Thank you in advance for your help.
Best regards
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