Post stops due to ORA-12899: value too large for column after upgrading target from version 7.5.x to 8.0.7.x and different source and target database NLS_CHARACTERSET.
Caused by stored non-US7ASCII multi-byte characters with length of the maximum column size in source database with US7ASCII database NLS_CHARACTERSET .
On target SharePlex system:
1. Set SP_OPO_NLS_CONVERSION to 0 to not convert, as conversion was not being done in prior version.
sp_ctrl set param SP_OPO_NLS_CONVERSION 0
sp_ctrl stop post
sp_ctrl start post
