我在进行SATWE数据前处理和检查，检查的结果是这样，请问我在建模时梁出现了什么问题！




************************************
*** Report of Data Checking ***
************************************


---------------------
| total information |
---------------------

-----------------------
| section information |
-----------------------

------------------------
| Geometry information |
------------------------

***** Floor No. 1 *****

------------------------------
| total information of floor |
------------------------------

--------------------
| node information |
--------------------

--------------------
| beam information |
--------------------

----------------------
| column information |
----------------------

--------------------------
| shear-wall information |
--------------------------

--------------------
| other information |
--------------------

***** Floor No. 2 *****

------------------------------
| total information of floor |
------------------------------

--------------------
| node information |
--------------------

--------------------
| beam information |
--------------------
Warn 76 : Lb < 0.2, Nb= 19 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 24 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 29 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 34 Lb= 0.08

----------------------
| column information |
----------------------

--------------------------
| shear-wall information |
--------------------------

--------------------
| other information |
--------------------

***** Floor No. 3 *****

------------------------------
| total information of floor |
------------------------------

--------------------
| node information |
--------------------

--------------------
| beam information |
--------------------
Warn 76 : Lb < 0.2, Nb= 53 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 57 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 62 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 66 Lb= 0.08

----------------------
| column information |
----------------------

--------------------------
| shear-wall information |
--------------------------

--------------------
| other information |
--------------------

***** Floor No. 4 *****

------------------------------
| total information of floor |
------------------------------

--------------------
| node information |
--------------------

--------------------
| beam information |
--------------------
Warn 76 : Lb < 0.2, Nb= 53 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 57 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 62 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 66 Lb= 0.08

----------------------
| column information |
----------------------

--------------------------
| shear-wall information |
--------------------------

--------------------
| other information |
--------------------

***** Floor No. 5 *****

------------------------------
| total information of floor |
------------------------------

--------------------
| node information |
--------------------

--------------------
| beam information |
--------------------
Warn 76 : Lb < 0.2, Nb= 53 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 57 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 62 Lb= 0.08
Warn 76 : Lb < 0.2, Nb= 66 Lb= 0.08

----------------------
| column information |
----------------------

--------------------------
| shear-wall information |
--------------------------

--------------------
| other information |
--------------------