Problem Note 57431: Large number of milestones with parent resources might cause an overcommitment of resources in PROC CPM
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In the CPM procedure, if the DATA= input data has many milestones with parent resources, a negative resource availability might be generated. A negative resource availability is indicated by a negative value in the variable with the prefix A in the RESOURCEOUT= Usage data set.
There is no circumvention for this problem.
Click the Hot Fix tab in this note to access the hot fix for this issue.
Operating System and Release Information
| Product Family | Product | System | SAS Release | |
| Reported | Fixed* | |||
| SAS System | SAS/OR | Tru64 UNIX | 9 TS M0 | 9.4 TS1M4 |
| OpenVMS Alpha | 9 TS M0 | 9.4 TS1M4 | ||
| Linux | 9 TS M0 | 9.4 TS1M4 | ||
| HP-UX IPF | 9 TS M0 | 9.4 TS1M4 | ||
| 64-bit Enabled Solaris | 9 TS M0 | 9.4 TS1M4 | ||
| 64-bit Enabled HP-UX | 9 TS M0 | 9.4 TS1M4 | ||
| 64-bit Enabled AIX | 9 TS M0 | 9.4 TS1M4 | ||
| Microsoft Windows XP Professional | 9 TS M0 | |||
| Microsoft Windows Server 2003 Standard Edition | 9 TS M0 | |||
| Microsoft Windows Server 2003 Enterprise Edition | 9 TS M0 | |||
| Microsoft Windows Server 2003 Datacenter Edition | 9 TS M0 | |||
| Microsoft Windows NT Workstation | 9 TS M0 | |||
| Microsoft Windows 2000 Professional | 9 TS M0 | |||
| Microsoft Windows 2000 Server | 9 TS M0 | |||
| Microsoft Windows 2000 Datacenter Server | 9 TS M0 | |||
| Microsoft Windows 2000 Advanced Server | 9 TS M0 | |||
| Microsoft Windows Server 2003 Enterprise 64-bit Edition | 9 TS M0 | |||
| Microsoft Windows Server 2003 Datacenter 64-bit Edition | 9 TS M0 | |||
| Microsoft® Windows® for 64-Bit Itanium-based Systems | 9 TS M0 | |||
| z/OS | 9 TS M0 | 9.4 TS1M4 | ||
A fix for this issue for SAS/OR 14.1 is available at:
https://tshf.sas.com/techsup/download/hotfix/HF2/Y21.html#57431
If the RESOURCEOUT= Usage data set in PROC CPM contains a negative value in the variable with the prefix A, the resource has been incorrectly overcommitted.
| Type: | Problem Note |
| Priority: | medium |
| Topic: | Analytics ==> Project and Resource Scheduling Analytics ==> Mathematical Optimization SAS Reference ==> Procedures ==> CPM |
| Date Modified: | 2016-01-19 14:53:19 |
| Date Created: | 2016-01-14 13:40:37 |