Ошибка при выполнении файловой операции(при печати документа)

Добрый день. Рандомно, у рандомных юзверей вываливается в критическую ошибку с надписью "Ошибка при выполнении файловой операции"(Перезапустить/Завершить)
База серверная, клиенты работают под тонким клиентом.
Открываю документ, жму печать - выбираю печатную форму - и Бэмц - ошибка.
Причем можно 20 раз нажать и норм, а потом выскочит. Может выскакивать 5 раз подряд.
Не понимаю пока куда копать...

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        "appName": "1CV8C",
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    "serverInfo": {
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        "type": "Windows_x86_64",
        "dbms": "MSSQLServer
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