Forum OpenACS Development: error calling a usual insert function in oracle?

Hi!
I just installed from cvs oacs 4.6.1-final in oracle 8.1.6, following the standard instructions, then get this error:
any clues?

[02/Apr/2003:17:58:43][20502.5126][-conn2-] Notice: RP (191.981 ms): error in rp_handler: serving POST /wp/create-presentation-2
        ad_url "/wp/create-presentation-2" maps to file "/web/sloan/packages/wp-slim/www/create-presentation-2.tcl"
errmsg is ora8.c:3568:ora_tcl_command: error in `OCIStmtExecute ()': ORA-29532: Java call terminated by uncaught Java exception: oracle.jdbc.driver.OracleSQLException: ORA-29877: failed in the execution of the ODCIINDEXUPDATE routine
ORA-00604: error occurred at recursive SQL level 1
ORA-20000: interMedia Text error:
DRG-10602: failed to queue DML change to column CONTENT for primary key AAAG9YAAPAAAD9eAAB
DRG-50857: oracle error in drekqkd(execute k_stmt)
ORA-00942: table or view does not exist

ORA-06512: at "CTXSYS.TEXTINDEXMETHODS", line 0
ORA-06512: at line 2

ORA-06512
SQL:

    begin
      :1 := wp_presentation.new(
      creation_user    => :user_id,
      creation_ip      => :creation_ip,
      creation_date    => sysdate,
      pres_title      => :pres_title,
      page_signature  => :page_signature,
      copyright_notice => :copyright_notice,
      style            => :style,
      public_p        => :public_p,
      show_modified_p  => :show_modified_p,
      audience        => :audience,
      background      => :background,
      parent_id      => :package_id
      );
    end;

ora8.c:4737:lob_dml_bind_cmd: error in `OCIStmtExecute ()': ORA-29877: failed in the execution of the ODCIINDEXUPDATE routine
ORA-20000: interMedia Text error:
DRG-10602: failed to queue DML change to column CONTENT for primary key AAAG9YAAPAAAD9eAAA
DRG-50857: oracle error in drekqkd(execute k_stmt)
ORA-00942: table or view does not exist

SQL:

update cr_revisions
set    content = empty_blob()
where  revision_id = :news_id
returning content into :1

    while executing
"ns_ora blob_dml_bind nsdb0 {

update cr_revisions
set    content = empty_blob()
where  revision_id = :news_id
returning content into :1
      } ..."
    ("uplevel" body line 1)
    invoked from within
"uplevel $ulevel [list ns_ora $type $db $sql] $args"
    invoked from within
"db_exec blob_dml_bind nsdb0 dbqd.news.www.item-create-3.content_add {
    update cr_revisions