Error at saving health check changes

Hi all,

does anyone  have idea why this is happening? When I try to save changes in health check configurations I got this error in logs. This started from nowhere, I have spoken with system administrator and no changes were made from linux site. Also I didn't make any chages in my language/calender settings.

Error from logs:

Incorrect type (java.util.Date) for DateTime variable (Thu Jan 01 00:00:00 GMT 1970). Expected Type: java.sql.Timestamp. Auto-correcting to "1970-01-01 00:00:00.0"
2021-07-05 11:41:23,854 [Function Call Product Metric Aggregator] INFO com.appiancorp.core.expr.ProductMetricFunctionCallProductMetricAggregator - Aggregated 404 function call metrics

Error on helath chech interface:

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