com.fasterxml.jackson.core.exc.StreamConstraintsException: String length (20050912) exceeds the maximum length (20000000)

We are facing this below error , please let us know if any changes needed to address.

Caused by: com.fasterxml.jackson.core.exc.StreamConstraintsException: String length (20050912) exceeds the maximum length (20000000)\n\tat com.fasterxml.jackson.core.StreamReadConstraints.validateStringLength(StreamReadConstraints.java:324)\n\tat com.fasterxml.jackson.core.util.ReadConstrainedTextBuffer.validateStringLength(ReadConstrainedTextBuffer.java:27)\n\tat com.fasterxml.jackson.core.util.TextBuffer.finishCurrentSegment(TextBuffer.java:939)\n\tat com.fasterxml.jackson.core.json.UTF8StreamJsonParser._finishString2(UTF8StreamJsonParser.java:2584)\n\tat com.fasterxml.jackson.core.json.UTF8StreamJsonParser._finishAndReturnString(UTF8StreamJsonParser.java:2560)\n\tat com.fasterxml.jackson.core.json.UTF8StreamJsonParser.getText(UTF8StreamJsonParser.java:335)\n\tat com.fasterxml.jackson.databind.deser.std.BaseNodeDeserializer._deserializeContainerNoRecursion(JsonNodeDeserializer.java:473)\n\tat com.fasterxml.jackson.databind.deser.std.JsonNodeDeserializer.deserialize(JsonNodeDeserializer.java:84)\n\tat com.fasterxml.jackson.databind.deser.std.JsonNodeDeserializer.deserialize(JsonNodeDeserializer.java:20)\n\tat com.fasterxml.jackson.databind.deser.DefaultDeserializationContext.readRootValue(DefaultDeserializationContext.java:323)\n\tat com.fasterxml.jackson.databind.ObjectMapper._readTreeAndClose(ObjectMapper.java:4716)\n\tat