Invalid symbol "�" found while decoding base64 sequence

Hello, I have a connection from a sql server to postgresql, in one of the tables of the error when doing the normalization, the error follows, what can I do to correct it?

e[33mDatabase Error in model erp_e670bem (models/generated/airbyte_incremental/dbo/erp_e670bem.sql)e[0m
invalid symbol “�” found while decoding base64 sequence
compiled SQL at …/build/run/airbyte_utils/models/generated/airbyte_incremental/dbo/erp_e670bem.sql,retryable=,timestamp=1676902570890], io.airbyte.config.FailureReason@245fd168[failureOrigin=normalization,failureType=system_error,internalMessage=invalid symbol “�” found while decoding base64 sequence,externalMessage=Normalization failed during the dbt run. This may indicate a problem with the data itself.,metadata=io.airbyte.config.Metadata@79b5f874[additionalProperties={attemptNumber=1, jobId=13, from_trace_message=true}],stacktrace=AirbyteDbtError:

checking the logs, in the postgres destination logs, generates the error in this part, converting a string into an image:

      cast(decode(imgbem, 'base64') as bytea) as imgbem,
        cast(indexp as 

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hello, any solution for this error?