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Error: org.springframework.validation.BeanPropertyBindingResult: 1 errors Field error in object 'acto' on field 'startDate': rejected value [23-9-2020portales.id=1]; codes [typeMismatch.acto.startDate,typeMismatch.startDate,typeMismatch.java.util.Date,typeMismatch]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [acto.startDate,startDate]; arguments []; default message [startDate]]; default message [Failed to convert property value of type 'java.lang.String' to required type 'java.util.Date' for property 'startDate'; nested exception is org.springframework.core.convert.ConversionFailedException: Failed to convert from type [java.lang.String] to type [@javax.persistence.Column @javax.persistence.Temporal @org.springframework.format.annotation.DateTimeFormat java.util.Date] for value '23-9-2020portales.id=1'; nested exception is java.lang.IllegalArgumentException: Invalid format: "23-9-2020portales.id=1" is malformed at "portales.id=1"]