diff --git a/Docs/DustemWrap_development_issues.txt b/Docs/DustemWrap_development_issues.txt
index 4a975ad..4464453 100644
--- a/Docs/DustemWrap_development_issues.txt
+++ b/Docs/DustemWrap_development_issues.txt
@@ -5,3 +5,6 @@
 
 - JPB, April 8th 2022:
   Dustem has a bug due to calculation accuracy for the THEMIS model, which solves by replacing max size values in GRAIN_THEMIS.DAT from 9.00E-6 into 8.99E-05
+- JPB, April 8th 2022:
+  Dustemwrap plante le Fortran quand le keyword chrg (et probablement aussi spin) ne figurent pas dans le GRAIN.DAT de depart (du Fortran) et sont rajoutés ensuite via (*!dustem_params).grains[0].TYPE_KEYWORDS
+  We must force those pointers to not be empty just after writing our own GRAIN.DAT in /tmp, in the same qway this is don in dustem_init.pro with the GRAIN.DAT from the fortran directory.
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