2897995 - Checks after phase MAIN_SHDRUN/PARDIST_SHD were negative!

You are using Software Update Manager (SUM) and encountering errors in phase MAIN_SHDRUN/PARDIST_SHD (up to SUM 2.0 SP12) or PARDIST_ORIG (as of SUM 2.0 SP13) or PARMVNT_APPL_VIEWS (as of SUM 2.0 SP17).
The exact errors encountered may vary. Below are a few examples of different error messages that can be encountered.

2EEDA122 Error generating the program for "<object>" 
2EEDA476 Code for creating view "<object>" could not be generated

or

4 EDA656 Analysis strategy: "CL_DD_DIST_STRATEGY_SHADOW"
4 EDA422 Table type has been changed from "STOB" to "STVE"
A2EESDDL_PARSER_MSG 017 The table name "<object2>" is unknown or obscured by an alias
...
4EEDA476 Code for creating view "<object1>" could not be generated
2EEDA665 Error during statement generation
2EESY530 An exception was raised
4EEDA559 Result "<object1>": "UNKNOWN_DECISION" Action: " " Mode flag: "E"
2EED0319 Return code..............: "8"

or

4 EDA431 A table called "<object>" exists in the database
2EEDA300 No active nametab exists for "<object>"
2EEDA432 Termination due to inconsistencies

or

2EETP345 Retcode 512: SQL-error "259-invalid table name: Could not find table/view <object>
2EETP334 error in DDL, nametab for <object> not activated

MAIN_SHDRUN/PARDIST_SHD, ESJIBILGDOCITMQ, ESJI_BILLINGDOCUMENTITEMQUERY, PARDIST_SHD, accept errors in ACT_UPG, is unknown or obscured by an alias , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem