The standard text output type must be specified

&CAUSE& An error occurred while reading an application log from local
memory. The parameter <ZH>OUTPUT_TYPE</> was not provided when the
function module <ZH>APPL_LOG_READ_INTERN</> was called. This parameter
must be passed if one of the parameters <ZH>HEADER_PREPARED</> or
<ZH>MESSAGE_PREPARED</> in the function module interface was passed.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.