Aborted network evaluation due to error: eNullObjectId

[kumarswapan64]

For Following Command Below message is giving.

Command: PLANTREMOVEORPHANFASTENERS

Command:
Error encountered while removing orphaned fasteneres.
Aborted network evaluation due to error: eNullObjectId.

Why This message is giving? Is there any problem in Model?

Tried to Rectify with Command " AUDIT"
But same message is giving.
Command: AUDIT

Command:
Fix any errors detected? [Yes/No] <N>: y

Auditing Header

Auditing Tables

Auditing Entities Pass 1

Pass 1 6900    objects audited
Auditing Entities Pass 2

Pass 2 6900    objects audited
Auditing Blocks

 471     Blocks audited

Auditing AcDsRecords

Total errors found 0 fixed 0

Erased 0 objects

Aborted network evaluation due to error: eNullObjectId

Please let me know why this message is coming?

[jabowabo]

There's an problem between the drawing objects and the database. You need to:
1. Audit project
2. Compress project
3. Purge local cache

[kumarswapan64]

Problem is still there.....