diff --git a/migrations/versions/20240830_1617_f9426dfd57e2_change_to_nullable_events_id.py b/migrations/versions/20240830_1617_f9426dfd57e2_change_to_nullable_events_id.py
new file mode 100644
index 00000000..0a103d98
--- /dev/null
+++ b/migrations/versions/20240830_1617_f9426dfd57e2_change_to_nullable_events_id.py
@@ -0,0 +1,42 @@
+"""change to nullable events_id
+
+Revision ID: f9426dfd57e2
+Revises: eba63ac1dd15
+Create Date: 2024-08-30 16:17:30.062783
+
+"""
+
+import os
+
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = 'f9426dfd57e2'
+down_revision = 'eba63ac1dd15'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.alter_column(
+        'diff', 'events_id', existing_type=postgresql.ARRAY(sa.INTEGER()), nullable=True, schema='STG_RASPHYSMSU'
+    )
+    op.alter_column(
+        'new', 'events_id', existing_type=postgresql.ARRAY(sa.INTEGER()), nullable=True, schema='STG_RASPHYSMSU'
+    )
+    op.alter_column(
+        'old', 'events_id', existing_type=postgresql.ARRAY(sa.INTEGER()), nullable=True, schema='STG_RASPHYSMSU'
+    )
+
+
+def downgrade():
+    op.alter_column(
+        'old', 'events_id', existing_type=postgresql.ARRAY(sa.INTEGER()), nullable=False, schema='STG_RASPHYSMSU'
+    )
+    op.alter_column(
+        'new', 'events_id', existing_type=postgresql.ARRAY(sa.INTEGER()), nullable=False, schema='STG_RASPHYSMSU'
+    )
+    op.alter_column(
+        'diff', 'events_id', existing_type=postgresql.ARRAY(sa.INTEGER()), nullable=False, schema='STG_RASPHYSMSU'
+    )
diff --git a/profcomff_definitions/STG/rasphysmsu.py b/profcomff_definitions/STG/rasphysmsu.py
index debedcc5..54850323 100644
--- a/profcomff_definitions/STG/rasphysmsu.py
+++ b/profcomff_definitions/STG/rasphysmsu.py
@@ -28,7 +28,7 @@ class Diff(Base):
     place: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
     group: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
     teacher: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
-    events_id: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
+    events_id: Mapped[tp.List[int] | None] = mapped_column(ARRAY(Integer))
     action: Mapped[str | None]
 
 
@@ -44,7 +44,7 @@ class Old(Base):
     place: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
     group: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
     teacher: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
-    events_id: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
+    events_id: Mapped[tp.List[int] | None] = mapped_column(ARRAY(Integer))
 
 
 class New(Base):
@@ -59,4 +59,4 @@ class New(Base):
     place: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
     group: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
     teacher: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
-    events_id: Mapped[tp.List[int]] = mapped_column(ARRAY(Integer))
+    events_id: Mapped[tp.List[int] | None] = mapped_column(ARRAY(Integer))