diff --git a/src/clj/automaton_core/log/be_log.clj b/src/clj/automaton_core/log/be_log.clj
index afa35ae2..9155c46b 100644
--- a/src/clj/automaton_core/log/be_log.clj
+++ b/src/clj/automaton_core/log/be_log.clj
@@ -14,7 +14,12 @@
 (defn- logger-ids-to-logger-fns
   "Based on logger-id chooses from registered strategies which logging function to use."
   [logger-ids]
-  (reduce (fn [acc logger-id] (conj acc (get-in log-be-registry/strategies-registry [logger-id :impl]))) [] logger-ids))
+  (reduce (fn [acc logger-id]
+            (if-let [logger-strategy (get-in log-be-registry/strategies-registry [logger-id :impl])]
+              (conj acc logger-strategy)
+              (do (print "WARN: Logging strategy is nil for id: " logger-id) acc)))
+          []
+          logger-ids))
 
 (defmacro log
   [logger-ids level & message]
diff --git a/src/clj/automaton_core/log/be_registry.clj b/src/clj/automaton_core/log/be_registry.clj
index 76248372..128eb08e 100644
--- a/src/clj/automaton_core/log/be_registry.clj
+++ b/src/clj/automaton_core/log/be_registry.clj
@@ -19,7 +19,7 @@
                               :impl automaton-core.log.impl.log4j2/log-fn}
    ::log-registry/no-op {:description "Deactivate that log"
                          :impl no-op-fn}
-   ::log-registry/error-tracking {:description "For monitoring exceptions in the application"
-                                  :impl automaton-core.log.tracking.be-error-tracking/add-context}
+   ::log-registry/error-tracking-context {:description "For monitoring exceptions in the application"
+                                          :impl automaton-core.log.tracking.be-error-tracking/add-context}
    ::log-registry/error-tracking-alert {:description "For alerting about monitoring exceptions in the application"
                                         :impl automaton-core.log.tracking.be-error-tracking/error-alert}})
diff --git a/src/clj/automaton_core/log/tracking/be_error_tracking.clj b/src/clj/automaton_core/log/tracking/be_error_tracking.clj
index fb271787..e42d700b 100644
--- a/src/clj/automaton_core/log/tracking/be_error_tracking.clj
+++ b/src/clj/automaton_core/log/tracking/be_error_tracking.clj
@@ -11,7 +11,7 @@
 
 (defn- sentry-data
   [ns level & message]
-  (let [context (if (map? (first message)) (merge (first message) {:ns ns}) {:ns ns})
+  (let [context (if (map? (first message)) (merge (first message) (when ns {:ns ns})) (when ns {:ns ns}))
         message (if (map? (first message)) (rest message) message)]
     {:message message
      :level level
diff --git a/src/cljc/automaton_core/utils/map.cljc b/src/cljc/automaton_core/utils/map.cljc
index cfd81f4b..50da3bea 100644
--- a/src/cljc/automaton_core/utils/map.cljc
+++ b/src/cljc/automaton_core/utils/map.cljc
@@ -98,7 +98,12 @@
 (defn map-util-hashmappify-vals
   "Converts an ordinary Clojure map into a Clojure map with nested map
    values recursively translated into what modify-type-fn is returning. Based
-   on walk/stringify-keys."
+   on walk/stringify-keys.
+   When key or value is nil, the pair is removed, as the hashmap doesn't allow null keys/values."
   [m modify-type-fn]
-  (let [f (fn [[k v]] (let [k (if (keyword? k) (name k) k) v (if (keyword? v) (name v) v)] (if (map? v) [k (modify-type-fn v)] [k v])))]
+  (let [f (fn [[k v]]
+            (let [k (if (keyword? k) (str (symbol k)) k)
+                  v (if (keyword? v) (str (symbol v)) v)]
+              (cond (map? v) [k (modify-type-fn v)]
+                    (and (some? v) (some? k)) [k v])))]
     (walk/postwalk (fn [x] (if (map? x) (into {} (map f x)) x)) m)))
diff --git a/version.edn b/version.edn
index 19a174bb..17048c31 100644
--- a/version.edn
+++ b/version.edn
@@ -1,4 +1,4 @@
 ;;Last generated version, note a failed push consume a number
 {:major-version "0.0.-1"
- :minor-version 25
- :version "0.0.25"}
\ No newline at end of file
+ :minor-version 26
+ :version "0.0.26"}
\ No newline at end of file